diff --git a/.github/workflows/build-deb.yml b/.github/workflows/build-deb.yml
index 6298992b..d2e1dd5b 100644
--- a/.github/workflows/build-deb.yml
+++ b/.github/workflows/build-deb.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build-deb:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       SGX_MODE: HW
     steps: