diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index c9ba22ea..a2e78050 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ on:
       - ci-test
 
 env:
-  SO_VERSION: v1.1.0-36d4969-202407091537
+  SO_VERSION: roysc/fetch-from-insecure-registry
   FIXTURENET_ETH_STACKS_REF: roysc/set-validator-creds
   SYSTEM_TESTS_REF: roysc/test-withdrawals
 
@@ -81,6 +81,7 @@ jobs:
       - name: Run testnet stack
         env:
           CERC_GO_AUTH_TOKEN: ${{ secrets.CICD_REPO_TOKEN }}
+          SKIP_BUILD: fetch
         run: ./scripts/run-test-stack.sh ./fixturenet-eth-stacks/stack-orchestrator/stacks/fixturenet-plugeth
       - name: Run server
         env:
@@ -110,7 +111,7 @@ jobs:
       - name: Run testnet stack without statediff
         env:
           CERC_RUN_STATEDIFF: false
-          SKIP_BUILD: 1
+          SKIP_BUILD: fetch
         run: ./scripts/run-test-stack.sh ./fixturenet-eth-stacks/stack-orchestrator/stacks/fixturenet-plugeth
       - name: Run server with call forwarding
         env:
diff --git a/scripts/run-test-stack.sh b/scripts/run-test-stack.sh
index 3328b09d..6c96a632 100755
--- a/scripts/run-test-stack.sh
+++ b/scripts/run-test-stack.sh
@@ -24,6 +24,8 @@ if [[ -z $SKIP_BUILD ]]; then
 
   $laconic_so setup-repositories
   $laconic_so build-containers
+elif [[ $SKIP_BUILD = fetch ]]; then
+  $laconic_so fetch-containers --image-registry gitea.local:5555
 fi
 
 if ! $laconic_so deploy \