diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 1fc1b45f2..b57d082df 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>benchmarks</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
index 1c699d4ec..5e58d1e78 100644
--- a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>example-exemplars-tail-sampling</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-greeting-service</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
index d48a5a627..98b910a47 100644
--- a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>example-exemplars-tail-sampling</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-hello-world-app</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/pom.xml b/examples/example-exemplars-tail-sampling/pom.xml
index 7482831b2..d0d0d2d4c 100644
--- a/examples/example-exemplars-tail-sampling/pom.xml
+++ b/examples/example-exemplars-tail-sampling/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-exemplars-tail-sampling</artifactId>
diff --git a/examples/example-exporter-httpserver/pom.xml b/examples/example-exporter-httpserver/pom.xml
index 524b00e33..b556efaf3 100644
--- a/examples/example-exporter-httpserver/pom.xml
+++ b/examples/example-exporter-httpserver/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-exporter-httpserver</artifactId>
diff --git a/examples/example-exporter-multi-target/pom.xml b/examples/example-exporter-multi-target/pom.xml
index d3ad59be2..1bc04d401 100644
--- a/examples/example-exporter-multi-target/pom.xml
+++ b/examples/example-exporter-multi-target/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-exporter-multi-target</artifactId>
diff --git a/examples/example-exporter-opentelemetry/pom.xml b/examples/example-exporter-opentelemetry/pom.xml
index cbd85a325..06cae160a 100644
--- a/examples/example-exporter-opentelemetry/pom.xml
+++ b/examples/example-exporter-opentelemetry/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-exporter-opentelemetry</artifactId>
diff --git a/examples/example-exporter-servlet-tomcat/pom.xml b/examples/example-exporter-servlet-tomcat/pom.xml
index caabaa0ad..50cb17c84 100644
--- a/examples/example-exporter-servlet-tomcat/pom.xml
+++ b/examples/example-exporter-servlet-tomcat/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-exporter-servlet-tomcat</artifactId>
diff --git a/examples/example-native-histogram/pom.xml b/examples/example-native-histogram/pom.xml
index c519cb092..4f7180bad 100644
--- a/examples/example-native-histogram/pom.xml
+++ b/examples/example-native-histogram/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-native-histogram</artifactId>
diff --git a/examples/example-prometheus-properties/pom.xml b/examples/example-prometheus-properties/pom.xml
index e7ccdacb3..60249fbee 100644
--- a/examples/example-prometheus-properties/pom.xml
+++ b/examples/example-prometheus-properties/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-prometheus-properties</artifactId>
diff --git a/examples/example-simpleclient-bridge/pom.xml b/examples/example-simpleclient-bridge/pom.xml
index cf8dd8eb8..981255de6 100644
--- a/examples/example-simpleclient-bridge/pom.xml
+++ b/examples/example-simpleclient-bridge/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>example-simpleclient-bridge</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 3817ee353..aaf81b19f 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>examples</artifactId>
diff --git a/integration-tests/it-common/pom.xml b/integration-tests/it-common/pom.xml
index 2d4665483..04198dc37 100644
--- a/integration-tests/it-common/pom.xml
+++ b/integration-tests/it-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>integration-tests</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-common</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml b/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
index 5cb35c318..846018037 100644
--- a/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>it-exporter</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-exporter-httpserver-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml b/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
index 54e6d3dab..eca28e70f 100644
--- a/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>it-exporter</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-exporter-servlet-jetty-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
index be71fb3db..558590380 100644
--- a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>it-exporter</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-exporter-servlet-tomcat-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-test/pom.xml b/integration-tests/it-exporter/it-exporter-test/pom.xml
index 88d1a1964..7300b9318 100644
--- a/integration-tests/it-exporter/it-exporter-test/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-test/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>it-exporter</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-exporter-test</artifactId>
diff --git a/integration-tests/it-exporter/pom.xml b/integration-tests/it-exporter/pom.xml
index 82e49c8e5..c54b423f8 100644
--- a/integration-tests/it-exporter/pom.xml
+++ b/integration-tests/it-exporter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>integration-tests</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>it-exporter</artifactId>
@@ -29,7 +29,7 @@
         <connection>scm:git:git@github.com:prometheus/client_java.git</connection>
         <developerConnection>scm:git:git@github.com:prometheus/client_java.git</developerConnection>
         <url>git@github.com:prometheus/client_java.git</url>
-        <tag>v1.1.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <developers>
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 987e8d0b2..d76fae256 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>integration-tests</artifactId>
diff --git a/pom.xml b/pom.xml
index db5c2a62e..27aa8721f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>io.prometheus</groupId>
     <artifactId>client_java</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
 
     <name>Prometheus Metrics Library</name>
     <url>http://github.com/prometheus/client_java</url>
@@ -30,7 +30,7 @@
         <connection>scm:git:git@github.com:prometheus/client_java.git</connection>
         <developerConnection>scm:git:git@github.com:prometheus/client_java.git</developerConnection>
         <url>git@github.com:prometheus/client_java.git</url>
-        <tag>v1.1.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <developers>
diff --git a/prometheus-metrics-config/pom.xml b/prometheus-metrics-config/pom.xml
index e0a4d469d..2247a8e8f 100644
--- a/prometheus-metrics-config/pom.xml
+++ b/prometheus-metrics-config/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-config</artifactId>
diff --git a/prometheus-metrics-core/pom.xml b/prometheus-metrics-core/pom.xml
index 9ab34cbe6..7773301d0 100644
--- a/prometheus-metrics-core/pom.xml
+++ b/prometheus-metrics-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-core</artifactId>
diff --git a/prometheus-metrics-exporter-common/pom.xml b/prometheus-metrics-exporter-common/pom.xml
index 78ac62b9e..53828db1d 100644
--- a/prometheus-metrics-exporter-common/pom.xml
+++ b/prometheus-metrics-exporter-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-exporter-common</artifactId>
diff --git a/prometheus-metrics-exporter-httpserver/pom.xml b/prometheus-metrics-exporter-httpserver/pom.xml
index e1a8519ce..b99959fc4 100644
--- a/prometheus-metrics-exporter-httpserver/pom.xml
+++ b/prometheus-metrics-exporter-httpserver/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-exporter-httpserver</artifactId>
diff --git a/prometheus-metrics-exporter-opentelemetry/pom.xml b/prometheus-metrics-exporter-opentelemetry/pom.xml
index fc05aa5e3..8b67e75d9 100644
--- a/prometheus-metrics-exporter-opentelemetry/pom.xml
+++ b/prometheus-metrics-exporter-opentelemetry/pom.xml
@@ -5,7 +5,7 @@
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     </parent>
 
     <artifactId>prometheus-metrics-exporter-opentelemetry</artifactId>
diff --git a/prometheus-metrics-exporter-servlet-jakarta/pom.xml b/prometheus-metrics-exporter-servlet-jakarta/pom.xml
index 46c79695c..204ff2fa7 100644
--- a/prometheus-metrics-exporter-servlet-jakarta/pom.xml
+++ b/prometheus-metrics-exporter-servlet-jakarta/pom.xml
@@ -5,7 +5,7 @@
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     </parent>
 
     <artifactId>prometheus-metrics-exporter-servlet-jakarta</artifactId>
diff --git a/prometheus-metrics-exposition-formats/pom.xml b/prometheus-metrics-exposition-formats/pom.xml
index 1703f0f77..8f071f855 100644
--- a/prometheus-metrics-exposition-formats/pom.xml
+++ b/prometheus-metrics-exposition-formats/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-exposition-formats</artifactId>
diff --git a/prometheus-metrics-instrumentation-jvm/pom.xml b/prometheus-metrics-instrumentation-jvm/pom.xml
index f452d488b..f55dd9c6f 100644
--- a/prometheus-metrics-instrumentation-jvm/pom.xml
+++ b/prometheus-metrics-instrumentation-jvm/pom.xml
@@ -5,7 +5,7 @@
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         <artifactId>client_java</artifactId>
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+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-instrumentation-jvm</artifactId>
diff --git a/prometheus-metrics-model/pom.xml b/prometheus-metrics-model/pom.xml
index b3d56a29f..f45d5b6fb 100644
--- a/prometheus-metrics-model/pom.xml
+++ b/prometheus-metrics-model/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-model</artifactId>
diff --git a/prometheus-metrics-shaded-dependencies/pom.xml b/prometheus-metrics-shaded-dependencies/pom.xml
index 30f980c79..395fcdfd8 100644
--- a/prometheus-metrics-shaded-dependencies/pom.xml
+++ b/prometheus-metrics-shaded-dependencies/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-shaded-dependencies</artifactId>
diff --git a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml
index 39818a25d..73f96d5f5 100644
--- a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml
+++ b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>prometheus-metrics-shaded-dependencies</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-shaded-opentelemetry</artifactId>
diff --git a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml
index aaf664ef8..224571946 100644
--- a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml
+++ b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>prometheus-metrics-shaded-dependencies</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-shaded-protobuf</artifactId>
diff --git a/prometheus-metrics-simpleclient-bridge/pom.xml b/prometheus-metrics-simpleclient-bridge/pom.xml
index 72577ec03..10d9ac8d6 100644
--- a/prometheus-metrics-simpleclient-bridge/pom.xml
+++ b/prometheus-metrics-simpleclient-bridge/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>prometheus-metrics-simpleclient-bridge</artifactId>
@@ -76,7 +76,7 @@
         <dependency>
             <groupId>io.prometheus</groupId>
             <artifactId>prometheus-metrics-config</artifactId>
-            <version>1.1.0</version>
+            <version>1.2.0-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/prometheus-metrics-tracer/pom.xml b/prometheus-metrics-tracer/pom.xml
index b27041f59..98286194e 100644
--- a/prometheus-metrics-tracer/pom.xml
+++ b/prometheus-metrics-tracer/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>client_java</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
index 9297bf610..ed86d6249 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-common</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
index 697f5b700..8c5657755 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
@@ -5,7 +5,7 @@
   <parent>
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     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-initializer</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
index 524c2f0b6..19db2bdf6 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-otel-agent</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
index b2f6f781b..a5a34c38b 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.1.0</version>
+    <version>1.2.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-otel</artifactId>