diff --git a/.gitea/workflows/dev.yml b/.gitea/workflows/dev.yml
index ffb28b8..63b6536 100644
--- a/.gitea/workflows/dev.yml
+++ b/.gitea/workflows/dev.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
 
diff --git a/.gitea/workflows/main.yml b/.gitea/workflows/main.yml
index a219c4d..933bfc2 100644
--- a/.gitea/workflows/main.yml
+++ b/.gitea/workflows/main.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps: