diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84bf7f66..0c65f834 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.3.1](https://github.com/googleapis/java-iam/compare/v1.3.0...v1.3.1) (2022-04-11)
+
+
+### Dependencies
+
+* revert dependency com.google.protobuf:protobuf-java to v3.19.4 ([#329](https://github.com/googleapis/java-iam/issues/329)) ([0e679c5](https://github.com/googleapis/java-iam/commit/0e679c5b63ac438f3f3f53b5a920c876450e0a94))
+
 ## [1.3.0](https://github.com/googleapis/java-iam/compare/v1.2.12...v1.3.0) (2022-04-05)
 
 
diff --git a/grpc-google-iam-v1/pom.xml b/grpc-google-iam-v1/pom.xml
index e23930f4..2c9cdbea 100644
--- a/grpc-google-iam-v1/pom.xml
+++ b/grpc-google-iam-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-v1</artifactId>
-  <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>grpc-google-iam-v1</name>
   <description>GRPC library for grpc-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index e16e428a..bec63fad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>Google IAM Parent</name>
   <url>https://github.com/googleapis/java-iam</url>
   <description>
@@ -77,7 +77,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v1</artifactId>
-        <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+        <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-iam-v1/build.gradle b/proto-google-iam-v1/build.gradle
index adc25a3f..6be2f6d0 100644
--- a/proto-google-iam-v1/build.gradle
+++ b/proto-google-iam-v1/build.gradle
@@ -18,7 +18,7 @@ repositories {
 }
 
 dependencies {
-  compile 'com.google.protobuf:protobuf-java:3.20.0'
+  compile 'com.google.protobuf:protobuf-java:3.19.4'
   compile 'com.google.api:api-common:2.1.5'
   compile project(':proto-google-common-protos')
 }
diff --git a/proto-google-iam-v1/pom.xml b/proto-google-iam-v1/pom.xml
index 3017e282..9a33b894 100644
--- a/proto-google-iam-v1/pom.xml
+++ b/proto-google-iam-v1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-v1</artifactId>
-  <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>proto-google-iam-v1</name>
   <description>PROTO library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.3.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.3.1</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 69c718d6..9c88de94 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,5 +1,5 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-iam-v1:1.3.0:1.3.0
-grpc-google-iam-v1:1.3.0:1.3.0
+proto-google-iam-v1:1.3.1:1.3.1
+grpc-google-iam-v1:1.3.1:1.3.1