diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40db43e..807dec9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,8 +10,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-10.15]
-        java: [ '8', '11', '17' ]
+        os: [ubuntu-20.04, macos-11]
+        java: [ '11', '17' ]
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout current branch (full)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 66250e9..7c8e6db 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           distribution: 'adopt'
-          java-version: '8'
+          java-version: '17'
           cache: 'sbt'
       - run: sbt ci-release
         env: