diff --git a/pom.xml b/pom.xml
index 84fff6b70..3f23f0a20 100644
--- a/pom.xml
+++ b/pom.xml
@@ -222,7 +222,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-trace-v1</artifactId>
-      <version>2.64.0</version>
+      <version>2.66.0</version>
       <scope>test</scope>
     </dependency>