diff --git a/otel-extensions/build.gradle.kts b/otel-extensions/build.gradle.kts
index a87b831c..970a03e7 100644
--- a/otel-extensions/build.gradle.kts
+++ b/otel-extensions/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
 }
 
 
-val protobufVersion = "3.19.6"
+val protobufVersion = "3.25.5"
 
 protobuf {
     protoc {
diff --git a/testing-common/build.gradle.kts b/testing-common/build.gradle.kts
index 8db17e03..bb54ceb7 100644
--- a/testing-common/build.gradle.kts
+++ b/testing-common/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
     id("com.google.protobuf") version "0.9.4"
 }
 
-val protobufVersion = "3.19.6"
+val protobufVersion = "3.25.5"
 
 protobuf {
     protoc {