diff --git a/appengine/pom.xml b/appengine/pom.xml
index 65c2b233d..3b9953b32 100644
--- a/appengine/pom.xml
+++ b/appengine/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>1.2.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.2.2-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/bom/pom.xml b/bom/pom.xml
index 2155b45d5..5a80f6e6c 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-bom</artifactId>
-  <version>1.2.1</version><!-- {x-version-update:google-auth-library-bom:current} -->
+  <version>1.2.2-SNAPSHOT</version><!-- {x-version-update:google-auth-library-bom:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java BOM</name>
   <description>
diff --git a/credentials/pom.xml b/credentials/pom.xml
index 3b53f1e61..a7da9af04 100644
--- a/credentials/pom.xml
+++ b/credentials/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>1.2.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.2.2-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/oauth2_http/clirr-ignored-differences.xml b/oauth2_http/clirr-ignored-differences.xml
deleted file mode 100644
index 76b573848..000000000
--- a/oauth2_http/clirr-ignored-differences.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- see https://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
-<differences>
-  <difference>
-    <differenceType>7009</differenceType>
-    <className>com/google/auth/oauth2/ServiceAccountJwtAccessCredentials</className>
-    <method>ServiceAccountJwtAccessCredentials(java.lang.String, java.lang.String, java.security.PrivateKey, java.lang.String)</method>
-    <from>public</from>
-    <to>private</to>
-  </difference>
-</differences>
diff --git a/oauth2_http/pom.xml b/oauth2_http/pom.xml
index f95fcb83c..e03b5d3d4 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.google.auth</groupId>
     <artifactId>google-auth-library-parent</artifactId>
-    <version>1.2.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
+    <version>1.2.2-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index a90d8da56..15ca9a429 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.auth</groupId>
   <artifactId>google-auth-library-parent</artifactId>
-  <version>1.2.1</version><!-- {x-version-update:google-auth-library-parent:current} -->
+  <version>1.2.2-SNAPSHOT</version><!-- {x-version-update:google-auth-library-parent:current} -->
   <packaging>pom</packaging>
   <name>Google Auth Library for Java</name>
   <description>Client libraries providing authentication and
diff --git a/versions.txt b/versions.txt
index d14e99cd2..f8a5496f2 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,9 +1,9 @@
 # Format:
 # module:released-version:current-version
 
-google-auth-library:1.2.1:1.2.1
-google-auth-library-bom:1.2.1:1.2.1
-google-auth-library-parent:1.2.1:1.2.1
-google-auth-library-appengine:1.2.1:1.2.1
-google-auth-library-credentials:1.2.1:1.2.1
-google-auth-library-oauth2-http:1.2.1:1.2.1
+google-auth-library:1.2.1:1.2.2-SNAPSHOT
+google-auth-library-bom:1.2.1:1.2.2-SNAPSHOT
+google-auth-library-parent:1.2.1:1.2.2-SNAPSHOT
+google-auth-library-appengine:1.2.1:1.2.2-SNAPSHOT
+google-auth-library-credentials:1.2.1:1.2.2-SNAPSHOT
+google-auth-library-oauth2-http:1.2.1:1.2.2-SNAPSHOT