diff --git a/.github/readme/synth.metadata/synth.metadata b/.github/readme/synth.metadata/synth.metadata
index 53a1842a..cb67f7b1 100644
--- a/.github/readme/synth.metadata/synth.metadata
+++ b/.github/readme/synth.metadata/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-monitoring.git",
-        "sha": "3c9cb79ebd0e17e96b3c1577e83fec5ddc567de8"
+        "sha": "75270a7cea1cda16bfd8ef3ccc1b4a2673b239eb"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "f7e7449a641ce47f2a04ed577dec48e109325e76"
+        "sha": "4f4b1b9b8d8b52f1e9e4a76165896debce5ab7f1"
       }
     }
   ]
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index def8b3a2..0195b32f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,10 +19,6 @@ jobs:
     - run: .kokoro/build.sh
       env:
         JOB_TYPE: test
-    - name: coverage
-      uses: codecov/codecov-action@v1
-      with:
-        name: actions ${{matrix.java}}
   windows:
     runs-on: windows-latest
     steps:
@@ -80,4 +76,4 @@ jobs:
     - run: java -version
     - run: .kokoro/build.sh
       env:
-        JOB_TYPE: clirr
\ No newline at end of file
+        JOB_TYPE: clirr
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e850d9c6..1414b153 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.2.3](https://www.github.com/googleapis/java-monitoring/compare/v2.2.2...v2.2.3) (2021-05-14)
+
+
+### Dependencies
+
+* update dependency com.google.protobuf:protobuf-java-util to v3.17.0 ([#547](https://www.github.com/googleapis/java-monitoring/issues/547)) ([020b40d](https://www.github.com/googleapis/java-monitoring/commit/020b40df07df50f624132bda0cec5e780ff38055))
+
 ### [2.2.2](https://www.github.com/googleapis/java-monitoring/compare/v2.2.1...v2.2.2) (2021-05-11)
 
 
diff --git a/README.md b/README.md
index d3c1bac6..aae3bd59 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring</artifactId>
-  <version>2.2.2-SNAPSHOT</version>
+  <version>2.2.3-SNAPSHOT</version>
 </dependency>
 
 ```
@@ -52,12 +52,12 @@ compile 'com.google.cloud:google-cloud-monitoring'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-monitoring:2.2.1'
+compile 'com.google.cloud:google-cloud-monitoring:2.2.2'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-monitoring" % "2.2.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-monitoring" % "2.2.2"
 ```
 
 ## Authentication
diff --git a/google-cloud-monitoring-bom/pom.xml b/google-cloud-monitoring-bom/pom.xml
index a95160ba..708c63b6 100644
--- a/google-cloud-monitoring-bom/pom.xml
+++ b/google-cloud-monitoring-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring-bom</artifactId>
-  <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,17 +64,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>2.2.3</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>2.2.3</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-monitoring/pom.xml b/google-cloud-monitoring/pom.xml
index 04ad95d8..d8365ab2 100644
--- a/google-cloud-monitoring/pom.xml
+++ b/google-cloud-monitoring/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring</artifactId>
-  <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Monitoring</name>
   <url>https://github.com/googleapis/java-monitoring</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-monitoring</site.installationModule>
diff --git a/grpc-google-cloud-monitoring-v3/pom.xml b/grpc-google-cloud-monitoring-v3/pom.xml
index 1aa4116d..dc4bb9cb 100644
--- a/grpc-google-cloud-monitoring-v3/pom.xml
+++ b/grpc-google-cloud-monitoring-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-  <version>2.2.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+  <version>2.2.3</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
   <name>grpc-google-cloud-monitoring-v3</name>
   <description>GRPC library for grpc-google-cloud-monitoring-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 1a224b98..3456ddff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+  <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   <name>Google Cloud Monitoring Parent</name>
   <url>https://github.com/googleapis/java-monitoring</url>
   <description>
@@ -70,17 +70,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+        <version>2.2.3</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-monitoring-v3</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
+        <version>2.2.3</version><!-- {x-version-update:grpc-google-cloud-monitoring-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring</artifactId>
-        <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+        <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-monitoring-v3/pom.xml b/proto-google-cloud-monitoring-v3/pom.xml
index ceb1880b..f0203eb5 100644
--- a/proto-google-cloud-monitoring-v3/pom.xml
+++ b/proto-google-cloud-monitoring-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-monitoring-v3</artifactId>
-  <version>2.2.2</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
+  <version>2.2.3</version><!-- {x-version-update:proto-google-cloud-monitoring-v3:current} -->
   <name>proto-google-cloud-monitoring-v3</name>
   <description>PROTO library for proto-google-cloud-monitoring-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring-parent</artifactId>
-    <version>2.2.2</version><!-- {x-version-update:google-cloud-monitoring:current} -->
+    <version>2.2.3</version><!-- {x-version-update:google-cloud-monitoring:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 3439823f..80e0d4d9 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-monitoring</artifactId>
-      <version>2.2.2</version>
+      <version>2.2.3</version>
     </dependency>
     <!-- [END monitoring_install_without_bom] -->
     <!-- {x-version-update-end} -->
@@ -41,7 +41,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>3.16.0</version>
+      <version>3.17.0</version>
     </dependency>
   </dependencies>
 
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 34cc9d4d..a776eb88 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-monitoring</artifactId>
-      <version>2.2.2</version>
+      <version>2.2.3</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>3.16.0</version>
+      <version>3.17.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/synth.metadata b/synth.metadata
index 0ec0f865..bdd1d1bf 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-monitoring.git",
-        "sha": "035679aa63aed7efb965b588df9ac19ed2cbc9a5"
+        "sha": "6b247cc7957feb98bb10c40343c429995af5f228"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "046994f491c02806aea60118e214a9edd67f5ab7"
+        "sha": "4f4b1b9b8d8b52f1e9e4a76165896debce5ab7f1"
       }
     }
   ],
diff --git a/versions.txt b/versions.txt
index 2fd5c475..84a9a5dc 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-monitoring-v3:2.2.2:2.2.2
-grpc-google-cloud-monitoring-v3:2.2.2:2.2.2
-google-cloud-monitoring:2.2.2:2.2.2
\ No newline at end of file
+proto-google-cloud-monitoring-v3:2.2.3:2.2.3
+grpc-google-cloud-monitoring-v3:2.2.3:2.2.3
+google-cloud-monitoring:2.2.3:2.2.3
\ No newline at end of file