diff --git a/.github/workflows/android_ci.yml b/.github/workflows/android_ci.yml
--- a/.github/workflows/android_ci.yml
+++ b/.github/workflows/android_ci.yml
@@ -11,7 +11,7 @@
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/android_release.yml b/.github/workflows/android_release.yml
--- a/.github/workflows/android_release.yml
+++ b/.github/workflows/android_release.yml
@@ -6,7 +6,7 @@
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/docker_keyserver.yml b/.github/workflows/docker_keyserver.yml
--- a/.github/workflows/docker_keyserver.yml
+++ b/.github/workflows/docker_keyserver.yml
@@ -10,7 +10,7 @@
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/eslint_flow_jest.yml b/.github/workflows/eslint_flow_jest.yml
--- a/.github/workflows/eslint_flow_jest.yml
+++ b/.github/workflows/eslint_flow_jest.yml
@@ -6,7 +6,7 @@
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
diff --git a/.github/workflows/services_ci.yml b/.github/workflows/services_ci.yml
--- a/.github/workflows/services_ci.yml
+++ b/.github/workflows/services_ci.yml
@@ -11,7 +11,7 @@
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2