diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f82a92..3c22faf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,48 +24,38 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [2.13.12, 3.3.1]
-        java: [temurin@11, temurin@17]
+        java: [temurin@8, temurin@17]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Setup Java (temurin@11)
-        if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v2
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v3
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 8
+          cache: sbt
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: temurin
           java-version: 17
-
-      - name: Cache sbt
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier/cache/v1
-            ~/.cache/coursier/v1
-            ~/AppData/Local/Coursier/Cache/v1
-            ~/Library/Caches/Coursier/v1
-          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+          cache: sbt
 
       - name: Check that workflows are up to date
-        run: sbt ++${{ matrix.scala }} githubWorkflowCheck
+        run: sbt '++ ${{ matrix.scala }}' githubWorkflowCheck
 
       - if: matrix.scala == '3.3.1'
-        run: sbt ++${{ matrix.scala }} coverage test coverageReport coverageAggregate
+        run: sbt '++ ${{ matrix.scala }}' coverage test coverageReport coverageAggregate
 
       - if: matrix.scala == '2.13.12'
-        run: sbt ++${{ matrix.scala }} codeVerify coverage test coverageReport coverageAggregate
+        run: sbt '++ ${{ matrix.scala }}' codeVerify coverage test coverageReport coverageAggregate
 
       - name: Upload coverage to Codecov
         if: matrix.scala == '2.13.12'
@@ -77,7 +67,7 @@ jobs:
         run: tar cf targets.tar target core/target project/target
 
       - name: Upload target directories
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: target-${{ matrix.os }}-${{ matrix.scala }}-${{ matrix.java }}
           path: targets.tar
@@ -90,42 +80,32 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [3.3.1]
-        java: [temurin@11]
+        java: [temurin@8]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Setup Java (temurin@11)
-        if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v2
+      - name: Setup Java (temurin@8)
+        if: matrix.java == 'temurin@8'
+        uses: actions/setup-java@v3
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 8
+          cache: sbt
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3
         with:
           distribution: temurin
           java-version: 17
-
-      - name: Cache sbt
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.sbt
-            ~/.ivy2/cache
-            ~/.coursier/cache/v1
-            ~/.cache/coursier/v1
-            ~/AppData/Local/Coursier/Cache/v1
-            ~/Library/Caches/Coursier/v1
-          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
+          cache: sbt
 
       - name: Download target directories (2.13.12)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-2.13.12-${{ matrix.java }}
 
@@ -135,7 +115,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3.3.1)
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: target-${{ matrix.os }}-3.3.1-${{ matrix.java }}
 
@@ -149,7 +129,7 @@ jobs:
           PGP_SECRET: ${{ secrets.PGP_SECRET }}
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
-        run: sbt ++${{ matrix.scala }} ci-release
+        run: sbt ci-release
 
       - name: Generate documentation
         if: startsWith(github.ref, 'refs/tags/v')
diff --git a/project/plugins.sbt b/project/plugins.sbt
index f6af88a..69232b3 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,5 @@
 addSbtPlugin("ch.epfl.scala"         % "sbt-scalafix"       % "0.11.1")
-addSbtPlugin("com.codecommit"        % "sbt-github-actions" % "0.14.2")
+addSbtPlugin("com.github.sbt"        % "sbt-github-actions" % "0.16.0")
 addSbtPlugin("com.github.sbt"        % "sbt-ci-release"     % "1.5.12")
 addSbtPlugin("com.lightbend.paradox" % "sbt-paradox"        % "0.10.5")
 addSbtPlugin("de.heikoseeberger"     % "sbt-header"         % "5.10.0")