diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5843778..bc75c61 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ 19 ]
+        java: [ 17 ]
     steps:
       - uses: actions/checkout@v3
 
diff --git a/.github/workflows/docker-build-test.yml b/.github/workflows/docker-build-test.yml
index c6a63a5..b84506b 100644
--- a/.github/workflows/docker-build-test.yml
+++ b/.github/workflows/docker-build-test.yml
@@ -21,16 +21,16 @@ jobs:
         dockerfile:
           - Dockerfile.ci
           - Dockerfile.openj9.ci
-          # - Dockerfile.graalvm-jvm.ci
+          - Dockerfile.graalvm-jvm.ci
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
       - name: Create Version File
         run: echo $(git log -1 --date=short --pretty=format:%cd)-$(git rev-parse --short HEAD) > VERSION
-      - name: set up JDK 19
+      - name: set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 19
+          java-version: 17
           distribution: temurin
           cache: "gradle"
       - name: Run Build
diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index f1c69ef..cf385b3 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -17,16 +17,16 @@ jobs:
             dockerfile: ./Dockerfile.openj9.ci
           - image: 1337kavin/piped:latest,1337kavin/piped:hotspot
             dockerfile: ./Dockerfile.ci
-          # - image: 1337kavin/piped:graalvm-jvm
-          #   dockerfile: ./Dockerfile.graalvm-jvm.ci
+          - image: 1337kavin/piped:graalvm-jvm
+            dockerfile: ./Dockerfile.graalvm-jvm.ci
     steps:
       - uses: actions/checkout@v3
       - name: Create Version File
         run: echo $(git log -1 --date=short --pretty=format:%cd)-$(git rev-parse --short HEAD) > VERSION
-      - name: set up JDK 19
+      - name: set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 19
+          java-version: 17
           distribution: temurin
           cache: "gradle"
       - name: Run Build
diff --git a/Dockerfile b/Dockerfile
index bba2bc5..3f08682 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:19-jdk AS build
+FROM eclipse-temurin:17-jdk AS build
 
 WORKDIR /app/
 
@@ -7,7 +7,7 @@ COPY . /app/
 RUN --mount=type=cache,target=/root/.gradle/caches/ \
  ./gradlew shadowJar
 
-FROM eclipse-temurin:19-jre
+FROM eclipse-temurin:17-jre
 
 WORKDIR /app/
 
diff --git a/Dockerfile.ci b/Dockerfile.ci
index 281b997..8dd60e5 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:19-jre
+FROM eclipse-temurin:17-jre
 
 WORKDIR /app/
 
diff --git a/Dockerfile.openj9 b/Dockerfile.openj9
index 3af0060..cbc1b23 100644
--- a/Dockerfile.openj9
+++ b/Dockerfile.openj9
@@ -1,4 +1,4 @@
-FROM 1337kavin/openj9-19 AS build
+FROM ibm-semeru-runtimes:open-17-jdk AS build
 
 WORKDIR /app/
 
@@ -7,7 +7,7 @@ COPY . /app/
 RUN --mount=type=cache,target=/root/.gradle/caches/ \
  ./gradlew shadowJar
 
-FROM 1337kavin/openj9-19:latest-jre
+FROM ibm-semeru-runtimes:open-17-jre
 
 WORKDIR /app/
 
diff --git a/Dockerfile.openj9.ci b/Dockerfile.openj9.ci
index 2fe02e8..c7bb652 100644
--- a/Dockerfile.openj9.ci
+++ b/Dockerfile.openj9.ci
@@ -1,4 +1,4 @@
-FROM 1337kavin/openj9-19:latest-jre
+FROM ibm-semeru-runtimes:open-17-jre
 
 WORKDIR /app/
 
diff --git a/build.gradle b/build.gradle
index 80c4d70..e290452 100644
--- a/build.gradle
+++ b/build.gradle
@@ -62,5 +62,5 @@ tasks.withType(JavaCompile).each {
 
 group = 'me.kavin.piped'
 version = '1.0'
-sourceCompatibility = JavaVersion.VERSION_19
-targetCompatibility = JavaVersion.VERSION_19
+sourceCompatibility = JavaVersion.VERSION_17
+targetCompatibility = JavaVersion.VERSION_17