diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9273590..3fba41d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,7 +68,7 @@ jobs:
   linux:
     if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
     needs: [prepare]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - name: Build
@@ -104,7 +104,7 @@ jobs:
   linux-cross-aarch64:
     if: (github.event_name != 'schedule') || (github.repository == 'mstorsjo/llvm-mingw')
     needs: [linux, prepare]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - name: Build
diff --git a/.github/workflows/msvcrt.yml b/.github/workflows/msvcrt.yml
index 70133da..c163ef5 100644
--- a/.github/workflows/msvcrt.yml
+++ b/.github/workflows/msvcrt.yml
@@ -47,7 +47,7 @@ jobs:
   # Build a new toolchain with a different CRT choice.
   linux-msvcrt:
     needs: [prepare]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
         with: