diff --git a/.github/workflows/build-package.yml b/.github/workflows/build-package.yml
index d616186..b722448 100644
--- a/.github/workflows/build-package.yml
+++ b/.github/workflows/build-package.yml
@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 17
       - name: Load local Maven repository cache
         uses: actions/cache@v2
         with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 76c1d11..04a3f82 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -39,10 +39,10 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
-    - name: Set up JDK 1.8
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 17
         settings-path: ${{ github.workspace }}
 
     - name: Load local Maven repository cache
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 82efca7..12edfa3 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -12,10 +12,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 17
           settings-path: ${{ github.workspace }}
 
       - name: Load local Maven repository cache
diff --git a/.github/workflows/nexus-publish-snapshots.yml b/.github/workflows/nexus-publish-snapshots.yml
index 4fc649b..5e818ed 100644
--- a/.github/workflows/nexus-publish-snapshots.yml
+++ b/.github/workflows/nexus-publish-snapshots.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 17
           settings-path: ${{ github.workspace }}
 
       - name: Load local Maven repository cache
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 5708a25..c2f4620 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -14,10 +14,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: 17
 
       - name: Load local Maven repository cache
         uses: actions/cache@v2
diff --git a/pom.xml b/pom.xml
index ba75228..e8d0ec8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,11 +12,11 @@
     <packaging>jar</packaging>
 
   <properties>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <groovy.version>3.0.15</groovy.version>
-    <log4j.version>2.17.1</log4j.version>
+    <groovy.version>4.0.12</groovy.version>
+    <log4j.version>2.20.0</log4j.version>
   </properties>
 
   <!-- we only need to tell maven where to find our parent pom and other QBiC dependencies -->
@@ -87,10 +87,9 @@
 
 
     <dependency>
-      <groupId>org.codehaus.groovy</groupId>
+      <groupId>org.apache.groovy</groupId>
       <artifactId>groovy</artifactId>
       <version>${groovy.version}</version>
-      <classifier>indy</classifier>
     </dependency>
 
     <dependency>