diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6ecc45..09fe2bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 2.0.4 - 2022-06-20
+### Changed
+- Updated prometheus-client dependency to v4.0.0.
+
 ## 2.0.3 - 2022-04-20
 ### Added
 - Added Prometheus-client Api based internal metrics functionality.
diff --git a/fluent-plugin-oci-logging-analytics.gemspec b/fluent-plugin-oci-logging-analytics.gemspec
index f19988d..9ad6551 100755
--- a/fluent-plugin-oci-logging-analytics.gemspec
+++ b/fluent-plugin-oci-logging-analytics.gemspec
@@ -6,7 +6,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name    = "fluent-plugin-oci-logging-analytics"
-  spec.version = "2.0.3"
+  spec.version = "2.0.4"
   spec.authors = ["Oracle","OCI Observability: Logging Analytics"]
   spec.email   = ["oci_la_plugins_grp@oracle.com"]
 
@@ -30,6 +30,6 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "fluentd", [">= 0.14.10", "< 2"]
   spec.add_runtime_dependency 'rubyzip', '~> 2.3.2'
   spec.add_runtime_dependency "oci", "~>2.16"
-  spec.add_runtime_dependency "prometheus-client", "~>2.1.0"
+  spec.add_runtime_dependency "prometheus-client", "~>4.0.0"
 
 end