diff --git a/charmcraft.yaml b/charmcraft.yaml
index f26b49c..42283be 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -1,6 +1,8 @@
 type: charm
 bases:
   - build-on:
+    - name: "ubuntu"
+      channel: "20.04"
     - name: "ubuntu"
       channel: "22.04"
     run-on: