diff --git a/.github/workflows/publish-packages.yml b/.github/workflows/publish-packages.yml
index 61281b13..cb510a5e 100644
--- a/.github/workflows/publish-packages.yml
+++ b/.github/workflows/publish-packages.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v2
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'adopt'
       - name: Cache Java Packages
         uses: actions/cache@v2
diff --git a/pn-sync/pom.xml b/pn-sync/pom.xml
index ad865883..e6bd15be 100644
--- a/pn-sync/pom.xml
+++ b/pn-sync/pom.xml
@@ -156,8 +156,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
-                    <source>8</source>
-                    <target>8</target>
+                    <source>11</source>
+                    <target>11</target>
                 </configuration>
             </plugin>
             <plugin>