diff --git a/.github/workflows/fullTest.yml b/.github/workflows/fullTest.yml
index d830183..6e9e24f 100644
--- a/.github/workflows/fullTest.yml
+++ b/.github/workflows/fullTest.yml
@@ -5,16 +5,16 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         java: [ 11, 17, 21 ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java }}
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: '${{ matrix.java }}'
-          distribution: 'adopt'
+          distribution: 'temurin'
       - name: Run tests with Pekko 1.0.x and Scala 2.12,2.13,3.3
         run: sbt +test +doc
diff --git a/.github/workflows/pullCi.yml b/.github/workflows/pullCi.yml
index 1fae0ab..9cf71eb 100644
--- a/.github/workflows/pullCi.yml
+++ b/.github/workflows/pullCi.yml
@@ -1,6 +1,7 @@
 name: Scala CI
 
 on:
+  workflow_dispatch:
   pull_request:
     branches: [ main ]
     paths-ignore:
@@ -8,13 +9,13 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK 17
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
-          distribution: 'adopt'
-      - name: Run tests with Pekko 1.0.x and Scala 2.12,2.13,3.3
+          distribution: 'temurin'
+      - name: Run tests with Scala 2.12,2.13,3.3
         run: sbt +test