diff --git a/pom.xml b/pom.xml
index b6aacce..e7023ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-pubsublite-v1</artifactId>
       <!--TODO(dpcollins-google): remove explicit version !-->
-      <version>1.11.1</version>
+      <version>1.12.20</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>