diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ef180f56ae7..facd5279670a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## Version 2.20.0 (2025-09-13)
+
 ### Migration notes
 
 - The configuration option used to enable traces generated by the `dropwizard-views` instrumentation has changed from `otel.instrumentation.common.experimental.controller-telemetry.enabled` to `otel.instrumentation.common.experimental.view-telemetry.enabled`
diff --git a/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-annotations.txt b/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-annotations.txt
index 169bdfaf6bbe..0ecde9a39820 100644
--- a/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-annotations.txt
+++ b/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-annotations.txt
@@ -1,2 +1,2 @@
-Comparing source compatibility of opentelemetry-instrumentation-annotations-2.20.0-SNAPSHOT.jar against opentelemetry-instrumentation-annotations-2.19.0.jar
+Comparing source compatibility of opentelemetry-instrumentation-annotations-2.21.0-SNAPSHOT.jar against opentelemetry-instrumentation-annotations-2.19.0.jar
 No changes.
\ No newline at end of file
diff --git a/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-api.txt b/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-api.txt
index dc99555cd2e0..aed995845269 100644
--- a/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-api.txt
+++ b/docs/apidiffs/current_vs_latest/opentelemetry-instrumentation-api.txt
@@ -1,2 +1,2 @@
-Comparing source compatibility of opentelemetry-instrumentation-api-2.20.0-SNAPSHOT.jar against opentelemetry-instrumentation-api-2.19.0.jar
+Comparing source compatibility of opentelemetry-instrumentation-api-2.21.0-SNAPSHOT.jar against opentelemetry-instrumentation-api-2.19.0.jar
 No changes.
\ No newline at end of file
diff --git a/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-autoconfigure.txt b/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-autoconfigure.txt
index 73c6079e0c1f..ef4436cde114 100644
--- a/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-autoconfigure.txt
+++ b/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-autoconfigure.txt
@@ -1,2 +1,2 @@
-Comparing source compatibility of opentelemetry-spring-boot-autoconfigure-2.20.0-SNAPSHOT.jar against opentelemetry-spring-boot-autoconfigure-2.19.0.jar
+Comparing source compatibility of opentelemetry-spring-boot-autoconfigure-2.21.0-SNAPSHOT.jar against opentelemetry-spring-boot-autoconfigure-2.19.0.jar
 No changes.
\ No newline at end of file
diff --git a/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-starter.txt b/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-starter.txt
index a085226ef482..b72b005bf8b4 100644
--- a/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-starter.txt
+++ b/docs/apidiffs/current_vs_latest/opentelemetry-spring-boot-starter.txt
@@ -1,2 +1,2 @@
-Comparing source compatibility of opentelemetry-spring-boot-starter-2.20.0-SNAPSHOT.jar against opentelemetry-spring-boot-starter-2.19.0.jar
+Comparing source compatibility of opentelemetry-spring-boot-starter-2.21.0-SNAPSHOT.jar against opentelemetry-spring-boot-starter-2.19.0.jar
 No changes.
\ No newline at end of file
diff --git a/examples/distro/build.gradle b/examples/distro/build.gradle
index 21c8d4ab7744..e9f2605e0823 100644
--- a/examples/distro/build.gradle
+++ b/examples/distro/build.gradle
@@ -14,7 +14,7 @@ buildscript {
   dependencies {
     classpath "com.diffplug.spotless:spotless-plugin-gradle:7.2.1"
     classpath "com.gradleup.shadow:shadow-gradle-plugin:9.1.0"
-    classpath "io.opentelemetry.instrumentation:gradle-plugins:2.20.0-alpha-SNAPSHOT"
+    classpath "io.opentelemetry.instrumentation:gradle-plugins:2.21.0-alpha-SNAPSHOT"
   }
 }
 
@@ -30,8 +30,8 @@ subprojects {
       opentelemetrySdk           : "1.54.0",
 
       // these lines are managed by .github/scripts/update-version.sh
-      opentelemetryJavaagent     : "2.20.0-SNAPSHOT",
-      opentelemetryJavaagentAlpha: "2.20.0-alpha-SNAPSHOT",
+      opentelemetryJavaagent     : "2.21.0-SNAPSHOT",
+      opentelemetryJavaagentAlpha: "2.21.0-alpha-SNAPSHOT",
 
       autoservice                : "1.1.1"
     ]
diff --git a/examples/extension/build.gradle b/examples/extension/build.gradle
index ac4ed22852cd..878593e02b4c 100644
--- a/examples/extension/build.gradle
+++ b/examples/extension/build.gradle
@@ -13,8 +13,8 @@ plugins {
   id "com.gradleup.shadow" version "9.1.0"
   id "com.diffplug.spotless" version "7.2.1"
 
-  id "io.opentelemetry.instrumentation.muzzle-generation" version "2.20.0-alpha-SNAPSHOT"
-  id "io.opentelemetry.instrumentation.muzzle-check" version "2.20.0-alpha-SNAPSHOT"
+  id "io.opentelemetry.instrumentation.muzzle-generation" version "2.21.0-alpha-SNAPSHOT"
+  id "io.opentelemetry.instrumentation.muzzle-check" version "2.21.0-alpha-SNAPSHOT"
 }
 
 group 'io.opentelemetry.example'
@@ -26,8 +26,8 @@ ext {
     opentelemetrySdk           : "1.54.0",
 
     // these lines are managed by .github/scripts/update-version.sh
-    opentelemetryJavaagent     : "2.20.0-SNAPSHOT",
-    opentelemetryJavaagentAlpha: "2.20.0-alpha-SNAPSHOT"
+    opentelemetryJavaagent     : "2.21.0-SNAPSHOT",
+    opentelemetryJavaagentAlpha: "2.21.0-alpha-SNAPSHOT"
   ]
 
   deps = [
diff --git a/version.gradle.kts b/version.gradle.kts
index f5e9d1b79075..0698ee034579 100644
--- a/version.gradle.kts
+++ b/version.gradle.kts
@@ -1,5 +1,5 @@
-val stableVersion = "2.20.0-SNAPSHOT"
-val alphaVersion = "2.20.0-alpha-SNAPSHOT"
+val stableVersion = "2.21.0-SNAPSHOT"
+val alphaVersion = "2.21.0-alpha-SNAPSHOT"
 
 allprojects {
   if (findProperty("otel.stable") != "true") {