diff --git a/modules/ads_lib/pom.xml b/modules/ads_lib/pom.xml
index 59e836a733..cebff059a1 100644
--- a/modules/ads_lib/pom.xml
+++ b/modules/ads_lib/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -29,7 +29,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>ads-lib</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>Ads APIs Client Library common components</name>
diff --git a/modules/ads_lib_appengine/pom.xml b/modules/ads_lib_appengine/pom.xml
index 5ce9bef081..d6a8231f76 100644
--- a/modules/ads_lib_appengine/pom.xml
+++ b/modules/ads_lib_appengine/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>ads-lib-appengine</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>Ads APIs Client Library AppEngine components</name>
@@ -54,7 +54,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <!-- Third party dependencies -->
     <dependency>
diff --git a/modules/ads_lib_axis/pom.xml b/modules/ads_lib_axis/pom.xml
index 8a38479db5..ffa3cba165 100644
--- a/modules/ads_lib_axis/pom.xml
+++ b/modules/ads_lib_axis/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>ads-lib-axis</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>Ads APIs Client Library Axis components</name>
@@ -98,7 +98,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
 
     <!-- Third party dependencies -->
@@ -139,7 +139,7 @@
       <artifactId>ads-lib</artifactId>
       <scope>test</scope>
       <classifier>tests</classifier>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>
diff --git a/modules/adwords_appengine/pom.xml b/modules/adwords_appengine/pom.xml
index d98e6e0db8..2eadd0b8c8 100644
--- a/modules/adwords_appengine/pom.xml
+++ b/modules/adwords_appengine/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>adwords-appengine</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>AdWords AppEngine components</name>
@@ -113,12 +113,12 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib-appengine</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
 
     <!-- Third party dependencies -->
@@ -129,7 +129,7 @@
       <artifactId>ads-lib</artifactId>
       <scope>test</scope>
       <classifier>tests</classifier>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>org.seleniumhq.selenium</groupId>
diff --git a/modules/adwords_axis/pom.xml b/modules/adwords_axis/pom.xml
index d1dad5428d..897df2f9eb 100644
--- a/modules/adwords_axis/pom.xml
+++ b/modules/adwords_axis/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>adwords-axis</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>AdWords Axis components</name>
@@ -120,12 +120,12 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib-axis</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
 
     <!-- Third party dependencies -->
@@ -136,7 +136,7 @@
       <artifactId>ads-lib</artifactId>
       <scope>test</scope>
       <classifier>tests</classifier>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>org.seleniumhq.selenium</groupId>
diff --git a/modules/dfp_appengine/pom.xml b/modules/dfp_appengine/pom.xml
index 58b393632c..038e62acfe 100644
--- a/modules/dfp_appengine/pom.xml
+++ b/modules/dfp_appengine/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>dfp-appengine</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>Ad Manager AppEngine components</name>
@@ -105,12 +105,12 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib-appengine</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
 
     <!-- Third party dependencies -->
@@ -132,7 +132,7 @@
       <artifactId>ads-lib</artifactId>
       <scope>test</scope>
       <classifier>tests</classifier>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/modules/dfp_axis/pom.xml b/modules/dfp_axis/pom.xml
index 00e91e6e9e..fb5b5ed0c6 100644
--- a/modules/dfp_axis/pom.xml
+++ b/modules/dfp_axis/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>client-libs-parent</artifactId>
-    <version>4.18.0-SNAPSHOT</version>
+    <version>4.18.0</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -30,7 +30,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>dfp-axis</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>jar</packaging>
   <name>Ad Manager Axis classes</name>
@@ -112,12 +112,12 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>ads-lib-axis</artifactId>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
 
     <!-- Third party dependencies -->
@@ -128,7 +128,7 @@
       <artifactId>ads-lib</artifactId>
       <scope>test</scope>
       <classifier>tests</classifier>
-      <version>4.18.0-SNAPSHOT</version>
+      <version>4.18.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.http-client</groupId>
diff --git a/pom.xml b/pom.xml
index c5fa5090a0..0487ed5097 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,14 +16,13 @@
  * specific language governing permissions and limitations
  * under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>client-libs-parent</artifactId>
-  <version>4.18.0-SNAPSHOT</version>
+  <version>4.18.0</version>
 
   <packaging>pom</packaging>
   <name>Google Ads APIs Client Library for Java parent</name>
@@ -57,6 +56,7 @@
     <url>
       https://github.com/googleads/googleads-java-lib
     </url>
+    <tag>4.18.0</tag>
   </scm>
 
   <developers>