diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62f292e39..c1d196c08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,20 +1,5 @@
 # Changelog
 
-### [1.9.1](https://github.com/aws/aws-encryption-sdk-java/compare/v1.9.0...v1.9.1) (2021-10-28)
-
-
-### Fixes
-
-* "AWS Encryption SDK 1.9.1 Release" ([#389](https://github.com/aws/aws-encryption-sdk-java/issues/389)) ([f58051d](https://github.com/aws/aws-encryption-sdk-java/commit/f58051d92ef7ed86ed2c198f286baf9abefe5537))
-
-
-### Maintenance
-
-* Add back removed CiphertextHeaders.deserialize method ([#383](https://github.com/aws/aws-encryption-sdk-java/issues/383)) ([468625d](https://github.com/aws/aws-encryption-sdk-java/commit/468625d03490ed007b5bfc2c20d04cd4973d798e))
-* add corretto11 ([#390](https://github.com/aws/aws-encryption-sdk-java/issues/390)) ([f3140a7](https://github.com/aws/aws-encryption-sdk-java/commit/f3140a7acebded80e07fedc5bc174fe223ec9d25))
-* CI formatting ([#388](https://github.com/aws/aws-encryption-sdk-java/issues/388)) ([129c2c0](https://github.com/aws/aws-encryption-sdk-java/commit/129c2c058fcbfd4b0cf10b2a5ec63dd7f4640a81))
-* update mainline-1.x with new release process ([#385](https://github.com/aws/aws-encryption-sdk-java/issues/385)) ([c55c2d2](https://github.com/aws/aws-encryption-sdk-java/commit/c55c2d205427f62a4c22444bc675cf12d6212e0c))
-
 ## 1.9.0 -- 2021-05-27
 
 * feat: Improvements to the message decryption process. 
diff --git a/codebuild/release/release-prod.yml b/codebuild/release/release-prod.yml
index 3bfffd672..4fff1e2d2 100644
--- a/codebuild/release/release-prod.yml
+++ b/codebuild/release/release-prod.yml
@@ -21,7 +21,7 @@ phases:
       - git checkout $BRANCH
       - export VERSION=$(grep version pom.xml | head -n 1 | sed -n 's/[ \t]*<version>\(.*\)<\/version>/\1/p')
       - export SETTINGS_FILE=$(pwd)/codebuild/release/settings.xml
-      - aws secretsmanager get-secret-value --region us-west-2 --secret-id Maven-GPG-Keys --query SecretBinary --output text | base64 -d > ~/mvn_pg.tgz
+      - aws secretsmanager get-secret-value --region us-west-2 --secret-id Maven-GPG-Keys --query SecretBinary --output text | base64 -d > ~/mvn_gpg.tgz
       - tar -xvf ~/mvn_gpg.tgz -C ~
   build:
     commands:
diff --git a/codebuild/release/validate-prod.yml b/codebuild/release/validate-prod.yml
index b283b2411..7397868cf 100644
--- a/codebuild/release/validate-prod.yml
+++ b/codebuild/release/validate-prod.yml
@@ -3,12 +3,18 @@
 
 version: 0.2
 
+env:
+  variables:
+    BRANCH: "mainline-1.x"
+
 phases:
   install:
     runtime-versions:
       java: $JAVA_ENV_VERSION
   pre_build:
     commands:
+      - git checkout $BRANCH
+      - export VERSION=$(grep version pom.xml | head -n 1 | sed -n 's/[ \t]*<version>\(.*\)<\/version>/\1/p')
       - git clone https://github.com/aws-samples/busy-engineers-document-bucket.git
       - cd busy-engineers-document-bucket/exercises/java/encryption-context-complete
   build:
diff --git a/pom.xml b/pom.xml
index 48e90bf4c..ff97e8654 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-encryption-sdk-java</artifactId>
-    <version>1.9.1</version>
+    <version>1.9.0</version>
     <packaging>jar</packaging>
 
     <name>aws-encryption-sdk-java</name>