diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 6fd9fa1..3407a8a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -23,7 +23,8 @@ jobs:
       - run: nix build .#nixosConfigurations.mothership.config.system.build.toplevel
 
   intel-macos:
-    runs-on: macos-12
+    # runs-on: macos-12 # drachenflieger is on this version but runner deprecated
+    runs-on: macos-13
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -38,7 +39,7 @@ jobs:
       - run: nix build .#darwinConfigurations.drachenflieger.config.system.build.toplevel
 
   arm-macos:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
diff --git a/.github/workflows/cachix.yaml b/.github/workflows/cachix.yaml
index 256539d..d87fcd7 100644
--- a/.github/workflows/cachix.yaml
+++ b/.github/workflows/cachix.yaml
@@ -33,7 +33,8 @@ jobs:
       - run: nix build .#nixosConfigurations.mothership.config.system.build.toplevel
 
   intel-macos:
-    runs-on: macos-12
+    # runs-on: macos-12 # drachenflieger is on this version but runner deprecated
+    runs-on: macos-13
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -54,7 +55,7 @@ jobs:
       - run: nix build .#darwinConfigurations.drachenflieger.config.system.build.toplevel
 
   arm-macos:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4