diff --git a/.github/workflows/release.linux.yml b/.github/workflows/release.linux.yml
index 859ecbb..55097cf 100644
--- a/.github/workflows/release.linux.yml
+++ b/.github/workflows/release.linux.yml
@@ -6,7 +6,7 @@ on:
 name: release (linux)
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       matrix:
         include:
diff --git a/.github/workflows/release.linux_static.yml b/.github/workflows/release.linux_static.yml
index 8b8e555..eac7cdc 100644
--- a/.github/workflows/release.linux_static.yml
+++ b/.github/workflows/release.linux_static.yml
@@ -6,7 +6,7 @@ on:
 name: release (linux/static)
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       matrix:
         include:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f7fff4a..a07ee68 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,7 +2,7 @@ on: push
 name: test
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
       - uses: actions/setup-go@v2
         with: