diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ab7e9362..f51900803 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,31 +10,31 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            java: 11
+            java: "17.0-custom=tgz+https://download.java.net/java/GA/jdk17/0d483333a00540d886896bac774ff48b/35/GPL/openjdk-17_linux-x64_bin.tar.gz"
             jobtype: 1
           - os: ubuntu-latest
-            java: 11
+            java: "17.0-custom=tgz+https://download.java.net/java/GA/jdk17/0d483333a00540d886896bac774ff48b/35/GPL/openjdk-17_linux-x64_bin.tar.gz"
             jobtype: 2
           - os: ubuntu-latest
-            java: 11
+            java: "17.0-custom=tgz+https://download.java.net/java/GA/jdk17/0d483333a00540d886896bac774ff48b/35/GPL/openjdk-17_linux-x64_bin.tar.gz"
             jobtype: 3
           - os: ubuntu-latest
-            java: 11
+            java: "17.0-custom=tgz+https://download.java.net/java/GA/jdk17/0d483333a00540d886896bac774ff48b/35/GPL/openjdk-17_linux-x64_bin.tar.gz"
             jobtype: 4
           - os: ubuntu-latest
-            java: 11
+            java: "17-custom=tgz+https://download.java.net/java/GA/jdk17/0d483333a00540d886896bac774ff48b/35/GPL/openjdk-17_linux-x64_bin.tar.gz"
             jobtype: 5
           - os: ubuntu-latest
-            java: 8
+            java: "adopt@1.8"
             jobtype: 6
           - os: ubuntu-latest
-            java: 8
+            java: "adopt@1.8"
             jobtype: 7
           - os: macos-latest
-            java: 8
+            java: "adopt@1.8"
             jobtype: 8
           - os: windows-latest
-            java: 8
+            java: "adopt@1.8"
             jobtype: 9
     runs-on: ${{ matrix.os }}
     env:
@@ -72,7 +72,7 @@ jobs:
     - name: Setup
       uses: olafurpg/setup-scala@v13
       with:
-        java-version: "adopt@1.${{ matrix.java }}"
+        java-version: "${{ matrix.java }}"
     - name: Set up Python 3.7
       uses: actions/setup-python@v2
       with: