diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97b53ab36..c9af4966a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 ### Bug Fixes
 
+* GSON parser now throws IOException on invalid JSON input ([#1355](https://www.github.com/googleapis/google-http-java-client/issues/1355)) ([0a505a7](https://www.github.com/googleapis/google-http-java-client/commit/0a505a7ce012efcce14af94aa130d0eab2ac89b6))
 * Add shopt -s nullglob to dependencies script ([#1412](https://www.github.com/googleapis/google-http-java-client/issues/1412)) ([933b0bd](https://www.github.com/googleapis/google-http-java-client/commit/933b0bd386f413bd960f81c706edae81d9dc030a))
 * default charset to UTF-8 for text/csv if not specified ([#1423](https://www.github.com/googleapis/google-http-java-client/issues/1423)) ([26f3da4](https://www.github.com/googleapis/google-http-java-client/commit/26f3da4b6426625d0d88afdad525dbf99c65bc8b))
 * make depencence on javax.annotation optional ([#1323](https://www.github.com/googleapis/google-http-java-client/issues/1323)) ([#1405](https://www.github.com/googleapis/google-http-java-client/issues/1405)) ([4ccad0e](https://www.github.com/googleapis/google-http-java-client/commit/4ccad0e9f37adaf5adac469e8dec478eb424a410))
diff --git a/google-http-client-android-test/pom.xml b/google-http-client-android-test/pom.xml
index cbdc8673b..6583e08d8 100644
--- a/google-http-client-android-test/pom.xml
+++ b/google-http-client-android-test/pom.xml
@@ -4,7 +4,7 @@
   <groupId>google-http-client</groupId>
   <artifactId>google-http-client-android-test</artifactId>
   <name>Test project for google-http-client-android.</name>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android-test:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-android-test:current} -->
   <packaging>apk</packaging>
 
   <build>
@@ -53,7 +53,7 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client-android</artifactId>
-      <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+      <version>1.40.0</version><!-- {x-version-update:google-http-client-android:current} -->
       <exclusions>
         <exclusion>
           <artifactId>android</artifactId>
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client-test</artifactId>
-      <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+      <version>1.40.0</version><!-- {x-version-update:google-http-client-test:current} -->
       <exclusions>
         <exclusion>
           <artifactId>junit</artifactId>
diff --git a/google-http-client-android/pom.xml b/google-http-client-android/pom.xml
index c8f9978dc..c579bc866 100644
--- a/google-http-client-android/pom.xml
+++ b/google-http-client-android/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-android</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-android:current} -->
   <name>Android Platform Extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-apache-v2/pom.xml b/google-http-client-apache-v2/pom.xml
index a2768ead2..77f0508ce 100644
--- a/google-http-client-apache-v2/pom.xml
+++ b/google-http-client-apache-v2/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-apache-v2</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
   <name>Apache HTTP transport v2 for the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-appengine/pom.xml b/google-http-client-appengine/pom.xml
index cc6feee4b..4977aeee6 100644
--- a/google-http-client-appengine/pom.xml
+++ b/google-http-client-appengine/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-appengine</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-appengine:current} -->
   <name>Google App Engine extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-assembly/pom.xml b/google-http-client-assembly/pom.xml
index 29587862d..8e6493410 100644
--- a/google-http-client-assembly/pom.xml
+++ b/google-http-client-assembly/pom.xml
@@ -4,12 +4,12 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-assembly</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-assembly:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-assembly:current} -->
   <packaging>pom</packaging>
   <name>Assembly for the Google HTTP Client Library for Java</name>
 
diff --git a/google-http-client-bom/pom.xml b/google-http-client-bom/pom.xml
index 30df349bf..88a4215c6 100644
--- a/google-http-client-bom/pom.xml
+++ b/google-http-client-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-bom</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-bom:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-bom:current} -->
   <packaging>pom</packaging>
 
   <name>Google HTTP Client Library for Java BOM</name>
@@ -63,52 +63,52 @@
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-android</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-android:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-apache-v2</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-appengine</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-appengine:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-findbugs</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-findbugs:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-gson</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-gson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-jackson2</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-jackson2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-protobuf</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-protobuf:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-test</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-test:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-xml</artifactId>
-        <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+        <version>1.40.0</version><!-- {x-version-update:google-http-client-xml:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-http-client-findbugs/pom.xml b/google-http-client-findbugs/pom.xml
index 6c2fe5b7f..80792af8b 100644
--- a/google-http-client-findbugs/pom.xml
+++ b/google-http-client-findbugs/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-findbugs</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-findbugs:current} -->
   <name>Google APIs Client Library Findbugs custom plugin.</name>
 
   <build>
diff --git a/google-http-client-gson/pom.xml b/google-http-client-gson/pom.xml
index d27e7254a..6baf63ccb 100644
--- a/google-http-client-gson/pom.xml
+++ b/google-http-client-gson/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-gson</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-gson:current} -->
   <name>GSON extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-jackson2/pom.xml b/google-http-client-jackson2/pom.xml
index 2eeeb0361..6c815fe9a 100644
--- a/google-http-client-jackson2/pom.xml
+++ b/google-http-client-jackson2/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-jackson2</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-jackson2:current} -->
   <name>Jackson 2 extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-protobuf/pom.xml b/google-http-client-protobuf/pom.xml
index fda09d2c2..514cc32ac 100644
--- a/google-http-client-protobuf/pom.xml
+++ b/google-http-client-protobuf/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-protobuf</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-protobuf:current} -->
   <name>Protocol Buffer extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-test/pom.xml b/google-http-client-test/pom.xml
index ab4460210..2783c17f2 100644
--- a/google-http-client-test/pom.xml
+++ b/google-http-client-test/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-test</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-test:current} -->
   <name>Shared classes used for testing of artifacts in the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client-xml/pom.xml b/google-http-client-xml/pom.xml
index 551066df3..8ac11ed9b 100644
--- a/google-http-client-xml/pom.xml
+++ b/google-http-client-xml/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-xml</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-xml:current} -->
   <name>XML extensions to the Google HTTP Client Library for Java.</name>
 
   <build>
diff --git a/google-http-client/pom.xml b/google-http-client/pom.xml
index 3ec4a28b3..cdf8829cd 100644
--- a/google-http-client/pom.xml
+++ b/google-http-client/pom.xml
@@ -4,11 +4,11 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client:current} -->
   <name>Google HTTP Client Library for Java</name>
   <description>
     Google HTTP Client Library for Java. Functionality that works on all supported Java platforms,
diff --git a/pom.xml b/pom.xml
index 5ba8a7b5b..a51d372ba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-parent</artifactId>
-  <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+  <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
   <packaging>pom</packaging>
   <name>Parent for the Google HTTP Client Library for Java</name>
   <description>Google HTTP Client Library for Java</description>
@@ -573,7 +573,7 @@
       - google-api-java-client/google-api-client-assembly/android-properties (make the filenames match the version here)
       - Internally, update the default features.json file
     -->
-    <project.http-client.version>1.40.1-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
+    <project.http-client.version>1.40.0</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
     <project.appengine.version>1.9.71</project.appengine.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.jsr305.version>3.0.2</project.jsr305.version>
diff --git a/samples/dailymotion-simple-cmdline-sample/pom.xml b/samples/dailymotion-simple-cmdline-sample/pom.xml
index 969cb37c7..2f3d241a6 100644
--- a/samples/dailymotion-simple-cmdline-sample/pom.xml
+++ b/samples/dailymotion-simple-cmdline-sample/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.http-client</groupId>
     <artifactId>google-http-client-parent</artifactId>
-    <version>1.40.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.40.0</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>dailymotion-simple-cmdline-sample</artifactId>
diff --git a/versions.txt b/versions.txt
index ed3410fcf..d9550157d 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,17 +1,17 @@
 # Format:
 # module:released-version:current-version
 
-google-http-client:1.40.0:1.40.1-SNAPSHOT
-google-http-client-bom:1.40.0:1.40.1-SNAPSHOT
-google-http-client-parent:1.40.0:1.40.1-SNAPSHOT
-google-http-client-android:1.40.0:1.40.1-SNAPSHOT
-google-http-client-android-test:1.40.0:1.40.1-SNAPSHOT
-google-http-client-apache-v2:1.40.0:1.40.1-SNAPSHOT
-google-http-client-appengine:1.40.0:1.40.1-SNAPSHOT
-google-http-client-assembly:1.40.0:1.40.1-SNAPSHOT
-google-http-client-findbugs:1.40.0:1.40.1-SNAPSHOT
-google-http-client-gson:1.40.0:1.40.1-SNAPSHOT
-google-http-client-jackson2:1.40.0:1.40.1-SNAPSHOT
-google-http-client-protobuf:1.40.0:1.40.1-SNAPSHOT
-google-http-client-test:1.40.0:1.40.1-SNAPSHOT
-google-http-client-xml:1.40.0:1.40.1-SNAPSHOT
+google-http-client:1.40.0:1.40.0
+google-http-client-bom:1.40.0:1.40.0
+google-http-client-parent:1.40.0:1.40.0
+google-http-client-android:1.40.0:1.40.0
+google-http-client-android-test:1.40.0:1.40.0
+google-http-client-apache-v2:1.40.0:1.40.0
+google-http-client-appengine:1.40.0:1.40.0
+google-http-client-assembly:1.40.0:1.40.0
+google-http-client-findbugs:1.40.0:1.40.0
+google-http-client-gson:1.40.0:1.40.0
+google-http-client-jackson2:1.40.0:1.40.0
+google-http-client-protobuf:1.40.0:1.40.0
+google-http-client-test:1.40.0:1.40.0
+google-http-client-xml:1.40.0:1.40.0