diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef6263271..dd6b9582a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.41.8](https://github.com/googleapis/google-http-java-client/compare/v1.41.7...v1.41.8) (2022-04-29)
+
+
+### Dependencies
+
+* downgrade appengine to 1.9.X ([#1645](https://github.com/googleapis/google-http-java-client/issues/1645)) ([da9dd8b](https://github.com/googleapis/google-http-java-client/commit/da9dd8bca97cc10712ce24054d2edd3d5ac2e571))
+
 ### [1.41.7](https://github.com/googleapis/google-http-java-client/compare/v1.41.6...v1.41.7) (2022-04-11)
 
 
diff --git a/google-http-client-android-test/pom.xml b/google-http-client-android-test/pom.xml
index 4e8ba9246..55b590c25 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-android-test:current} -->
+  <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+      <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+      <version>1.41.8</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 222357aef..46dcceef1 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-android</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+  <version>1.41.8</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 6721e64e7..b4ec3a7d6 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-apache-v2</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+  <version>1.41.8</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 e95102967..7732b0603 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-appengine</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+  <version>1.41.8</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 2dcf18198..57121fbb6 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-assembly:current} -->
+  <version>1.41.8</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 9a21d04d4..016df21c8 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-bom:current} -->
+  <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-android</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-android:current} -->
+        <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-apache-v2:current} -->
+        <version>1.41.8</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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-appengine:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-appengine:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-findbugs</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-findbugs:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-gson</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-gson:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-jackson2</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-jackson2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-protobuf</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-protobuf:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-test</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+        <version>1.41.8</version><!-- {x-version-update:google-http-client-test:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-xml</artifactId>
-        <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+        <version>1.41.8</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 c13a58c67..3aaa7a02c 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-findbugs</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-findbugs:current} -->
+  <version>1.41.8</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 8296c8732..d5e44cac9 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-gson</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-gson:current} -->
+  <version>1.41.8</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 b0a15f312..e5b166f16 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-jackson2</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-jackson2:current} -->
+  <version>1.41.8</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 8b6bf3fc3..a43874cb3 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-protobuf</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-protobuf:current} -->
+  <version>1.41.8</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 4e3e880d6..c4e143253 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-test</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-test:current} -->
+  <version>1.41.8</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 a55c2937f..d1eede331 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client-xml</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-xml:current} -->
+  <version>1.41.8</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 014a337d1..50f7568cb 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</version><!-- {x-version-update:google-http-client-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>google-http-client</artifactId>
-  <version>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client:current} -->
+  <version>1.41.8</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 b2cdf7ac8..a407df19f 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+  <version>1.41.8</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>
@@ -560,7 +560,7 @@
       - 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>1.41.8-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
+    <project.http-client.version>1.41.8</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
     <project.appengine.version>1.9.96</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 f9710ecee..27a146eb9 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>1.41.8-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->
+    <version>1.41.8</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 e8042266f..0afd77ac7 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,17 +1,17 @@
 # Format:
 # module:released-version:current-version
 
-google-http-client:1.41.7:1.41.8-SNAPSHOT
-google-http-client-bom:1.41.7:1.41.8-SNAPSHOT
-google-http-client-parent:1.41.7:1.41.8-SNAPSHOT
-google-http-client-android:1.41.7:1.41.8-SNAPSHOT
-google-http-client-android-test:1.41.7:1.41.8-SNAPSHOT
-google-http-client-apache-v2:1.41.7:1.41.8-SNAPSHOT
-google-http-client-appengine:1.41.7:1.41.8-SNAPSHOT
-google-http-client-assembly:1.41.7:1.41.8-SNAPSHOT
-google-http-client-findbugs:1.41.7:1.41.8-SNAPSHOT
-google-http-client-gson:1.41.7:1.41.8-SNAPSHOT
-google-http-client-jackson2:1.41.7:1.41.8-SNAPSHOT
-google-http-client-protobuf:1.41.7:1.41.8-SNAPSHOT
-google-http-client-test:1.41.7:1.41.8-SNAPSHOT
-google-http-client-xml:1.41.7:1.41.8-SNAPSHOT
+google-http-client:1.41.8:1.41.8
+google-http-client-bom:1.41.8:1.41.8
+google-http-client-parent:1.41.8:1.41.8
+google-http-client-android:1.41.8:1.41.8
+google-http-client-android-test:1.41.8:1.41.8
+google-http-client-apache-v2:1.41.8:1.41.8
+google-http-client-appengine:1.41.8:1.41.8
+google-http-client-assembly:1.41.8:1.41.8
+google-http-client-findbugs:1.41.8:1.41.8
+google-http-client-gson:1.41.8:1.41.8
+google-http-client-jackson2:1.41.8:1.41.8
+google-http-client-protobuf:1.41.8:1.41.8
+google-http-client-test:1.41.8:1.41.8
+google-http-client-xml:1.41.8:1.41.8