diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8dcb01b12..d32d7d202 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
         include:
           - target:
               os: linux
-            builder: ubuntu-18.04
+            builder: ubuntu-20.04
             shell: bash
           - target:
               os: macos
diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 06c6c4c2c..083ddef32 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -25,7 +25,7 @@ jobs:
         include:
           - target:
               os: linux
-            builder: ubuntu-18.04
+            builder: ubuntu-20.04
             shell: bash
           - target:
               os: macos