diff --git a/pom.xml b/pom.xml
index 7daabdacb..f1a1832f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -129,7 +129,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-identity-accesscontextmanager-v1</artifactId>
-        <version>1.4.1</version>
+        <version>1.4.3</version>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>