diff --git a/.github/workflows/mkosi.yml b/.github/workflows/mkosi.yml
index 7d3ef4b186..c125d59ad3 100644
--- a/.github/workflows/mkosi.yml
+++ b/.github/workflows/mkosi.yml
@@ -87,7 +87,7 @@ jobs:
 
         [Content]
         Environment=CI_BUILD=1
-                    DEFAULT_TIMEOUT_SEC=120
+                    DEFAULT_TIMEOUT_SEC=180
                     SLOW_TESTS=true
 
         [Output]