diff --git a/.travis.yml b/.travis.yml
index 007e4b68..0987ab98 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,16 +18,16 @@ sudo: required
 language: go
 
 go:
-  - "1.18.9"
+  - "1.19.6"
 
 services:
   - docker
 
 env:
   global:
-    - MAIN_BRANCH=private-master
+    - MAIN_BRANCH=v9.3.2
     - TAGCACHE_FILE=tagcache
-    - RELEASE=r1
+    - RELEASE=r2
 
 go_import_path: "github.com/ibm-messaging/mq-container"
 
@@ -38,7 +38,7 @@ go_import_path: "github.com/ibm-messaging/mq-container"
 jobs:
   include:
     - stage: basic-build
-      if: branch != private-master AND tag IS blank
+      if: branch != v9.3.2 AND tag IS blank
       name: "Basic AMD64 build"
       os: linux
       env:
@@ -48,12 +48,12 @@ jobs:
     # CD Build
 
     - stage: global-tag
-      if: branch = private-master AND type != pull_request OR tag =~ ^release-candidate*
+      if: branch = v9.3.2 AND type != pull_request OR tag =~ ^release-candidate*
       name: "Generate Global Tag"
       os: linux
       script: bash -e travis-build-scripts/global-tag.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.2 OR tag =~ ^release-candidate*
       name: "Multi-Arch AMD64 build"
       os: linux
       env:
@@ -62,7 +62,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_932_ARCHIVE_REPOSITORY_DEV_AMD64
       script: bash -e travis-build-scripts/run.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.2 OR tag =~ ^release-candidate*
       name: "Multi-Arch S390X build"
       os: linux-s390
       env:
@@ -72,7 +72,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_932_ARCHIVE_REPOSITORY_DEV_S390X
       script: bash -e travis-build-scripts/run.sh
     - stage: build
-      if: branch = private-master OR tag =~ ^release-candidate*
+      if: branch = v9.3.2 OR tag =~ ^release-candidate*
       name: "Multi-Arch PPC64LE build"
       os: linux-ppc64le
       env:
@@ -82,7 +82,7 @@ jobs:
         - MQ_ARCHIVE_REPOSITORY_DEV=$MQ_932_ARCHIVE_REPOSITORY_DEV_PPC64LE
       script: bash -e travis-build-scripts/run.sh
     - stage: push-manifest
-      if: branch = private-master AND type != pull_request OR tag =~ ^release-candidate*
+      if: branch = v9.3.2 AND type != pull_request OR tag =~ ^release-candidate*
       name: "Push Manifest-list to registry"
       env:
         - PUSH_MANIFEST_ONLY=true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4507654..0525acde 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change log
 
+## 9.3.2.1 (2023-04)
+
+* Updated to MQ version 9.3.2.1
+
 ## 9.3.2.0 (2023-02)
 
 * Updated to MQ version 9.3.2.0
diff --git a/Dockerfile-server b/Dockerfile-server
index e61d2114..0e63766d 100644
--- a/Dockerfile-server
+++ b/Dockerfile-server
@@ -13,11 +13,11 @@
 # limitations under the License.
 
 ARG BASE_IMAGE=registry.access.redhat.com/ubi8/ubi-minimal
-ARG BASE_TAG=8.7-1049.1675784874
+ARG BASE_TAG=8.8-860
 ARG BUILDER_IMAGE=registry.access.redhat.com/ubi8/go-toolset
-ARG BUILDER_TAG=1.18.9-8.1675807488
+ARG BUILDER_TAG=1.19.6-4
 ARG GO_WORKDIR=/opt/app-root/src/go/src/github.com/ibm-messaging/mq-container
-ARG MQ_ARCHIVE="downloads/9.3.2.0-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz"
+ARG MQ_ARCHIVE="downloads/9.3.2.1-IBM-MQ-Advanced-for-Developers-Non-Install-LinuxX64.tar.gz"
 
 ###############################################################################
 # Build stage to build Go code
diff --git a/cmd/runmqserver/process.go b/cmd/runmqserver/process.go
index dafd9b6c..ade1b428 100644
--- a/cmd/runmqserver/process.go
+++ b/cmd/runmqserver/process.go
@@ -43,7 +43,7 @@ func verifySingleProcess() error {
 // Verifies that there is only one instance running of the given program name.
 func verifyOnlyOne(programName string) (int, error) {
 	// #nosec G104
-	out, _, _ := command.Run("ps", "-e", "--format", "cmd")
+	out, _, _ := command.Run("ps", "-e", "--format", "comm")
 	//if this goes wrong then assume we are the only one
 	numOfProg := strings.Count(out, programName)
 	if numOfProg != 1 {
diff --git a/config.env b/config.env
index 3b70a2f7..203cf275 100644
--- a/config.env
+++ b/config.env
@@ -1,6 +1,6 @@
 ###########################################################################################################################################################
 
 # MQ_VERSION is the fully qualified MQ version number to build
-MQ_VERSION ?= 9.3.2.0
+MQ_VERSION ?= 9.3.2.1
 
 ###########################################################################################################################################################
diff --git a/docs/security.md b/docs/security.md
index 83f43099..175bef9a 100644
--- a/docs/security.md
+++ b/docs/security.md
@@ -16,5 +16,5 @@ docker run \
   --env LICENSE=accept \
   --env MQ_QMGR_NAME=QM1 \
   --detach \
-  ibm-mqadvanced-server:9.3.2.0-amd64
+  ibm-mqadvanced-server:9.3.2.1-amd64
 ```
diff --git a/docs/testing.md b/docs/testing.md
index 604019af..86a2f40e 100644
--- a/docs/testing.md
+++ b/docs/testing.md
@@ -24,7 +24,7 @@ make test-advancedserver
 You can specify the image to use directly by using the `MQ_IMAGE_ADVANCEDSERVER` or `MQ_IMAGE_DEVSERVER` variables, for example:
 
 ```
-MQ_IMAGE_ADVANCEDSERVER=ibm-mqadvanced-server:9.3.2.0-amd64 make test-advancedserver
+MQ_IMAGE_ADVANCEDSERVER=ibm-mqadvanced-server:9.3.2.1-amd64 make test-advancedserver
 ```
 
 You can pass parameters to `go test` with an environment variable.  For example, to run the "TestGoldenPath" test, run the following command:
diff --git a/go.mod b/go.mod
index 0aaf0cf1..de1ed014 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ibm-messaging/mq-container
 
-go 1.18
+go 1.19
 
 require (
 	github.com/genuinetools/amicontained v0.4.3
diff --git a/source-branch.env b/source-branch.env
index b382c047..1acd9d5d 100644
--- a/source-branch.env
+++ b/source-branch.env
@@ -2,6 +2,6 @@
 
 # SOURCE_BRANCH is the repository branch name for this release stream. 
 # It should be updated when a new release fork is created but not for testing of personal builds or pre-fork updates.
-SOURCE_BRANCH ?= private-master
+SOURCE_BRANCH ?= v9.3.2
 
 ###########################################################################################################################################################
diff --git a/test/docker/go.mod b/test/docker/go.mod
index d6fb6538..963cad60 100644
--- a/test/docker/go.mod
+++ b/test/docker/go.mod
@@ -1,6 +1,6 @@
 module github.com/ibm-messaging/mq-container/test/docker
 
-go 1.18
+go 1.19
 
 require (
 	// Note: This is not actually Docker v17.12!