diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 8aae9629..4a86a269 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   docs:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
diff --git a/.github/workflows/fpga.yaml b/.github/workflows/fpga.yaml
index 1d54c35f..7b961229 100644
--- a/.github/workflows/fpga.yaml
+++ b/.github/workflows/fpga.yaml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   fpga:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: checkout repo
         uses: actions/checkout@v4
diff --git a/.github/workflows/gds.yaml b/.github/workflows/gds.yaml
index cb22e455..2f59049e 100644
--- a/.github/workflows/gds.yaml
+++ b/.github/workflows/gds.yaml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   gds:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: checkout repo
         uses: actions/checkout@v4
@@ -20,14 +20,14 @@ jobs:
 
   precheck:
     needs: gds
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Run Tiny Tapeout Precheck
         uses: TinyTapeout/tt-gds-action/precheck@tt09
 
   gl_test:
     needs: gds
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: checkout repo
         uses: actions/checkout@v4
@@ -39,7 +39,7 @@ jobs:
 
   viewer:
     needs: gds
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       pages: write      # to deploy to Pages
       id-token: write   # to verify the deployment originates from an appropriate source
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 8b1efcbf..cb31af45 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -2,7 +2,7 @@ name: test
 on: [push, workflow_dispatch]
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4