diff --git a/.github/workflows/build_dragonflybsd.yml b/.github/workflows/build_dragonflybsd.yml
index deeca67..5e53cc9 100644
--- a/.github/workflows/build_dragonflybsd.yml
+++ b/.github/workflows/build_dragonflybsd.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_dragonflybsd:
     name: Build on ${{ matrix.box }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         box:
diff --git a/.github/workflows/build_freebsd.yml b/.github/workflows/build_freebsd.yml
index c8c9c7f..2d017d4 100644
--- a/.github/workflows/build_freebsd.yml
+++ b/.github/workflows/build_freebsd.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_freebsd:
     name: Build on ${{ matrix.box }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         box:
diff --git a/.github/workflows/build_netbsd.yml b/.github/workflows/build_netbsd.yml
index 25bfed4..a819093 100644
--- a/.github/workflows/build_netbsd.yml
+++ b/.github/workflows/build_netbsd.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_netbsd:
     name: Build on ${{ matrix.box }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         box:
diff --git a/.github/workflows/build_openbsd.yml b/.github/workflows/build_openbsd.yml
index 70ae1e2..720748a 100644
--- a/.github/workflows/build_openbsd.yml
+++ b/.github/workflows/build_openbsd.yml
@@ -15,7 +15,7 @@ concurrency:
 jobs:
   build_openbsd:
     name: Build on ${{ matrix.box }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         box: