diff --git a/.github/workflows/develop-blockchains.yaml b/.github/workflows/develop-blockchains.yaml
index 97a66981..fd4d2eba 100644
--- a/.github/workflows/develop-blockchains.yaml
+++ b/.github/workflows/develop-blockchains.yaml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   cactus:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     steps:
       -
         name: Checkout
@@ -41,7 +41,7 @@ jobs:
           provenance: false
           push: true
           build-args: |
-            "UBUNTU_VER=noble"
+            "UBUNTU_VER=jammy"
             "MACHINARIS_STREAM=develop"
             "CHIADOG_BRANCH=dev"
             "FDCLI_BRANCH=dev"