diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9396486..706d0e51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.2.0](https://www.github.com/googleapis/java-os-config/compare/v1.1.6...v1.2.0) (2021-03-12)
+
+
+### Features
+
+* **generator:** update protoc to v3.15.3 ([#230](https://www.github.com/googleapis/java-os-config/issues/230)) ([a1440dc](https://www.github.com/googleapis/java-os-config/commit/a1440dc343eb6864f2a35d6d1c0a96a3130abdc1))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.20.1 ([#235](https://www.github.com/googleapis/java-os-config/issues/235)) ([7f07067](https://www.github.com/googleapis/java-os-config/commit/7f070673dabf1ee358e951db057227dd3559555f))
+
 ### [1.1.6](https://www.github.com/googleapis/java-os-config/compare/v1.1.5...v1.1.6) (2021-02-25)
 
 
diff --git a/google-cloud-os-config-bom/pom.xml b/google-cloud-os-config-bom/pom.xml
index 3e18f7f1..c1f0ba5f 100644
--- a/google-cloud-os-config-bom/pom.xml
+++ b/google-cloud-os-config-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config-bom</artifactId>
-  <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,17 +64,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-os-config</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>1.2.0</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>1.2.0</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-os-config/pom.xml b/google-cloud-os-config/pom.xml
index 3f19ab36..d7b1679b 100644
--- a/google-cloud-os-config/pom.xml
+++ b/google-cloud-os-config/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config</artifactId>
-  <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <packaging>jar</packaging>
   <name>Google OS Config API</name>
   <url>https://github.com/googleapis/java-os-config</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-os-config</site.installationModule>
diff --git a/grpc-google-cloud-os-config-v1/pom.xml b/grpc-google-cloud-os-config-v1/pom.xml
index f0b0405c..e5527120 100644
--- a/grpc-google-cloud-os-config-v1/pom.xml
+++ b/grpc-google-cloud-os-config-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-  <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+  <version>1.2.0</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
   <name>grpc-google-cloud-os-config-v1</name>
   <description>GRPC library for grpc-google-cloud-os-config-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 62c78d99..4985724f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <name>Google OS Config API Parent</name>
   <url>https://github.com/googleapis/java-os-config</url>
   <description>
@@ -70,17 +70,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-os-config</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>1.2.0</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-        <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>1.2.0</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-os-config-v1/pom.xml b/proto-google-cloud-os-config-v1/pom.xml
index 973bf38d..1d4fe07b 100644
--- a/proto-google-cloud-os-config-v1/pom.xml
+++ b/proto-google-cloud-os-config-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-os-config-v1</artifactId>
-  <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+  <version>1.2.0</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
   <name>proto-google-cloud-os-config-v1</name>
   <description>PROTO library for proto-google-cloud-os-config-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>1.1.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>1.2.0</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index ab04fbbd..bf12d54e 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-os-config</artifactId>
-      <version>1.1.7-SNAPSHOT</version>
+      <version>1.2.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index e3bdd787..1020e730 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-os-config:1.1.6:1.1.7-SNAPSHOT
-proto-google-cloud-os-config-v1:1.1.6:1.1.7-SNAPSHOT
-grpc-google-cloud-os-config-v1:1.1.6:1.1.7-SNAPSHOT
\ No newline at end of file
+google-cloud-os-config:1.2.0:1.2.0
+proto-google-cloud-os-config-v1:1.2.0:1.2.0
+grpc-google-cloud-os-config-v1:1.2.0:1.2.0
\ No newline at end of file