diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..c6605f4
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,10 @@
+name: build
+on: [pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: Test Docker image build
+        run: ./scripts/test-build.sh
diff --git a/gradle.properties b/gradle.properties
index 0b4f1e2..7e271cf 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,12 +10,12 @@
 ### dependencies
 logbackVersion=1.2.3
 logstashLogbackEncoderVersion=4.11
-pravegaCredentialsVersion=0.8.0-38.808ad78-SNAPSHOT
-pravegaVersion=0.8.0-2623.279ac21-SNAPSHOT
+pravegaCredentialsVersion=0.9.0
+pravegaVersion=0.9.1
 slf4jApiVersion=1.7.25
 
 # Set below to true when using Pravega in SDP.
 includePravegaCredentials=true
 
 ### outputs
-samplesVersion=0.8.0
+samplesVersion=0.9.1
diff --git a/scripts/build-docker.sh b/scripts/build-docker.sh
index 2714556..2012c0f 100755
--- a/scripts/build-docker.sh
+++ b/scripts/build-docker.sh
@@ -5,7 +5,7 @@ ROOT_DIR=$(dirname $0)/..
 
 export DOCKER_REPOSITORY=${DOCKER_REPOSITORY:-claudiofahey}
 # Below should match the Pravega version
-export IMAGE_TAG=${IMAGE_TAG:-0.8.0}
+export IMAGE_TAG=${IMAGE_TAG:-0.9.1}
 
 : ${DOCKER_REPOSITORY?"You must export DOCKER_REPOSITORY"}
 : ${IMAGE_TAG?"You must export IMAGE_TAG"}
diff --git a/scripts/test-build.sh b/scripts/test-build.sh
new file mode 100755
index 0000000..988df90
--- /dev/null
+++ b/scripts/test-build.sh
@@ -0,0 +1,6 @@
+#! /bin/bash
+set -ex
+
+ROOT_DIR=$(dirname $0)/..
+
+docker build --no-cache -f ${ROOT_DIR}/pravega-tester/Dockerfile ${ROOT_DIR}