diff --git a/metrics_api/CHANGELOG.md b/metrics_api/CHANGELOG.md
index afbcca5ea..ce4af09c2 100644
--- a/metrics_api/CHANGELOG.md
+++ b/metrics_api/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History: opentelemetry-metrics-api
 
+### v0.2.0 / 2024-12-17
+
+* ADDED: Add synchronous  gauge
+
 ### v0.1.1 / 2024-10-22
 
 * FIXED: Refactor instrument validation
diff --git a/metrics_api/lib/opentelemetry/metrics/version.rb b/metrics_api/lib/opentelemetry/metrics/version.rb
index ab557fc81..fc9c43e1e 100644
--- a/metrics_api/lib/opentelemetry/metrics/version.rb
+++ b/metrics_api/lib/opentelemetry/metrics/version.rb
@@ -7,6 +7,6 @@
 module OpenTelemetry
   module Metrics
     ## Current OpenTelemetry metrics version
-    VERSION = '0.1.1'
+    VERSION = '0.2.0'
   end
 end
diff --git a/metrics_sdk/CHANGELOG.md b/metrics_sdk/CHANGELOG.md
index 57e69fb90..e1c52dd10 100644
--- a/metrics_sdk/CHANGELOG.md
+++ b/metrics_sdk/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History: opentelemetry-metrics-sdk
 
+### v0.5.0 / 2024-12-17
+
+* ADDED: Add synchronous  gauge
+
 ### v0.4.1 / 2024-12-04
 
 * FIXED: Handle float value in NumberDataPoint
diff --git a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
index c33a284e9..440bfed4d 100644
--- a/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
+++ b/metrics_sdk/lib/opentelemetry/sdk/metrics/version.rb
@@ -8,7 +8,7 @@ module OpenTelemetry
   module SDK
     module Metrics
       # Current OpenTelemetry metrics sdk version
-      VERSION = '0.4.1'
+      VERSION = '0.5.0'
     end
   end
 end