diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 715fb69..eab7abe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,7 @@
 name: Continuous Integration
 
 on:
+  workflow_dispatch:
   pull_request:
   push:
     branches:
@@ -47,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        provider: [ aws, hyperstack ]
+        provider: [ aws, ]
       fail-fast: false
     steps:
       - name: Checkout
diff --git a/ci/slab.toml b/ci/slab.toml
index 5db5621..3c7e2f8 100644
--- a/ci/slab.toml
+++ b/ci/slab.toml
@@ -2,7 +2,8 @@
 # profiles that can be found on repository using this workflow.
 [backend.aws.ci-test]
 region = "eu-west-3"
-image_id = "ami-01d21b7be69801c2f" # Ubuntu 22.04
+#image_id = "ami-01d21b7be69801c2f" # Ubuntu 22.04
+image_id = "ami-00001b7be69801c2f" # FIXME DEBUG: fake instance
 instance_type = "t3.2xlarge"
 
 [backend.hyperstack.ci-test]