diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index 48e324f7..eced6042 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -11,13 +11,13 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - name: Inject slug/short variables
       uses: rlespinasse/github-slug-action@v4.x
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         path: main
 
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e04447f9..334539b1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,10 @@ jobs:
         mpisize: [1, 4, 16]
         ompsize: [1, 3]
         include:
-          - os: macos-11
+          - os: macos-13
+            mpisize: 1
+            ompsize: 1
+          - os: macos-latest
             mpisize: 1
             ompsize: 1
           - os: ubuntu-20.04
@@ -30,7 +33,7 @@ jobs:
       OMP_NUM_THREADS: ${{ matrix.ompsize }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: apt
         if: ${{ runner.os == 'Linux' }}
@@ -56,7 +59,7 @@ jobs:
         shell: bash
         run: |
           if [ ${{ runner.os }} = "macOS" ] ; then
-            export FC=gfortran-11
+            export FC=gfortran-12
           fi
           cmake -DCMAKE_VERBOSE_MAKEFILE=ON $GITHUB_WORKSPACE