diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bf16034..5470762 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ on:
 env:
   GH_USER_NAME: github.actor
   SCRIPTS_VERSION: 5.12.0
-  RELEASE_VERSION: 5.12.3
+  RELEASE_VERSION: 5.13.0
 
 jobs:
   release:
diff --git a/gradle.properties b/gradle.properties
index 20320c5..ff22f12 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-version=5.12.3
+version=5.13.0
 
 org.gradle.parallel=true
 org.gradle.caching=true
diff --git a/src/main/java/com/epam/ta/reportportal/ws/reporting/databind/OffsetDateTimeInstantSerializer.java b/src/main/java/com/epam/ta/reportportal/ws/reporting/databind/OffsetDateTimeInstantSerializer.java
deleted file mode 100644
index 02d13d7..0000000
--- a/src/main/java/com/epam/ta/reportportal/ws/reporting/databind/OffsetDateTimeInstantSerializer.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.epam.ta.reportportal.ws.reporting.databind;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.JsonSerializer;
-import com.fasterxml.jackson.databind.SerializerProvider;
-import java.io.IOException;
-import java.time.Instant;
-import java.time.ZoneOffset;
-import java.time.format.DateTimeFormatter;
-
-public class OffsetDateTimeInstantSerializer extends JsonSerializer<Instant> {
-
-  private static final DateTimeFormatter formatter = DateTimeFormatter
-      .ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSSSSZ")
-      .withZone(ZoneOffset.UTC);
-
-  @Override
-  public void serialize(Instant value, JsonGenerator gen, SerializerProvider provider)
-      throws IOException {
-    gen.writeString(formatter.format(value));
-  }
-}
diff --git a/src/test/java/com/epam/ta/reportportal/ws/reporting/serializers/OffsetDateTimeInstantSerializerTest.java b/src/test/java/com/epam/ta/reportportal/ws/reporting/serializers/OffsetDateTimeInstantSerializerTest.java
deleted file mode 100644
index a927f70..0000000
--- a/src/test/java/com/epam/ta/reportportal/ws/reporting/serializers/OffsetDateTimeInstantSerializerTest.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.epam.ta.reportportal.ws.reporting.serializers;
-
-import com.epam.ta.reportportal.ws.reporting.LaunchResource;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import java.io.IOException;
-import java.time.Instant;
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Disabled;
-import org.junit.jupiter.api.Test;
-
-public class OffsetDateTimeInstantSerializerTest {
-
-  private static final String EXPECTED_PARSED_TIME = "2024-11-01T08:39:14.125000+0000";
-
-  @Test
-  @Disabled
-  void serializeTimeInCompatibleFormat() throws IOException {
-    LaunchResource launchResource = new LaunchResource();
-    launchResource.setStartTime(Instant.ofEpochMilli(1730450354125L));
-    ObjectMapper objectMapper = new ObjectMapper()
-        .configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false)
-        .registerModule(new JavaTimeModule());
-    String s = objectMapper.writeValueAsString(launchResource);
-    Assertions.assertTrue(s.contains(EXPECTED_PARSED_TIME));
-  }
-
-}