diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 6931fb45f..ee2fbb665 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -32,25 +32,25 @@ jobs:
       fail-fast: false
 
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-22.04]
         compiler: [gcc, clang]
         cuda: [with, without]
         openmp: [with]
         link: [both]
         include:
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             compiler: gcc
             compiler-pkgs: "g++ gcc"
             cc: "gcc"
             cxx: "g++"
             ccache-max: 600M
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             compiler: clang
             compiler-pkgs: "clang libomp-dev"
             cc: "clang"
             cxx: "clang++"
             ccache-max: 500M
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             cuda: with
             cuda-pkgs: "nvidia-cuda-dev nvidia-cuda-toolkit"
             cuda-cmake-flags:
@@ -58,7 +58,7 @@ jobs:
               -DSUITESPARSE_USE_STRICT=ON
               -DCUDAToolkit_INCLUDE_DIRS="/usr/include"
               -DCMAKE_CUDA_COMPILER_LAUNCHER="ccache"
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             compiler: gcc
             compiler-pkgs: "g++ gcc"
             cc: "gcc"
@@ -67,7 +67,7 @@ jobs:
             cuda: without
             openmp: without
             openmp-cmake-flags: "-DSUITESPARSE_USE_OPENMP=OFF"
-          - os: ubuntu-latest
+          - os: ubuntu-22.04
             compiler: gcc
             compiler-pkgs: "g++ gcc"
             cc: "gcc"
diff --git a/.github/workflows/root-cmakelists.yaml b/.github/workflows/root-cmakelists.yaml
index 4296f6e26..103882537 100644
--- a/.github/workflows/root-cmakelists.yaml
+++ b/.github/workflows/root-cmakelists.yaml
@@ -21,7 +21,7 @@ jobs:
   ubuntu:
     # For available GitHub-hosted runners, see:
     # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     name: ubuntu (${{ matrix.compiler }} ${{ matrix.cuda }} CUDA, ${{ matrix.link }})