diff --git a/sample-app/build.gradle.kts b/sample-app/build.gradle.kts
index e71d55ef2..3befd054d 100644
--- a/sample-app/build.gradle.kts
+++ b/sample-app/build.gradle.kts
@@ -49,7 +49,7 @@ android {
     }
 }
 
-val otelVersion = "1.20.0"
+val otelVersion = "1.21.0"
 val otelAlphaVersion = "$otelVersion-alpha"
 
 dependencies {
diff --git a/splunk-otel-android-volley/build.gradle.kts b/splunk-otel-android-volley/build.gradle.kts
index 168f993e5..b99fe2d9e 100644
--- a/splunk-otel-android-volley/build.gradle.kts
+++ b/splunk-otel-android-volley/build.gradle.kts
@@ -42,7 +42,7 @@ android {
     }
 }
 
-val otelVersion = "1.20.0"
+val otelVersion = "1.21.0"
 val otelAlphaVersion = "$otelVersion-alpha"
 
 dependencies {
diff --git a/splunk-otel-android/build.gradle.kts b/splunk-otel-android/build.gradle.kts
index 9c2a5570b..dc4603a07 100644
--- a/splunk-otel-android/build.gradle.kts
+++ b/splunk-otel-android/build.gradle.kts
@@ -40,7 +40,7 @@ android {
     }
 }
 
-val otelVersion = "1.20.0"
+val otelVersion = "1.21.0"
 val otelAlphaVersion = "$otelVersion-alpha"
 
 dependencies {