diff --git a/.github/workflows/manifold.yml b/.github/workflows/manifold.yml
index d74dfe43c..575e27941 100644
--- a/.github/workflows/manifold.yml
+++ b/.github/workflows/manifold.yml
@@ -37,7 +37,7 @@ jobs:
     - name: Setup Java
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'adopt'
     - name: Install Maven
       run: |
@@ -295,9 +295,9 @@ jobs:
       run: brew install tbb
     - name: Install Java and Maven
       run: |
-        brew install openjdk@11
+        brew install openjdk@17
         brew install maven
-        echo "JAVA_HOME=$(/usr/libexec/java_home -v 11)" >> $GITHUB_ENV
+        echo "JAVA_HOME=$(/usr/libexec/java_home -v 17)" >> $GITHUB_ENV
     - name: Check Java version
       run: java -version
     - uses: actions/checkout@v3
@@ -353,10 +353,10 @@ jobs:
       with:
         submodules: recursive
         fetch-depth: 2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'adopt'
     - name: Install Maven
       run: |
@@ -381,11 +381,6 @@ jobs:
       with:
         name: manifold_java_bindings_mac_TBB_${{env.VERSION}}
         path: mac-tbb-jar
-    - name: Download Artifacts
-      uses: actions/download-artifact@v2
-      with:
-        name: manifold_java_bindings_linux_OMP_OFF_${{env.VERSION}}
-        path: linux-omp-jar
     - name: Download Artifacts
       uses: actions/download-artifact@v2
       with: