diff --git a/.github/workflows/per-pr.yml b/.github/workflows/per-pr.yml
index a1338a0ca..5b22861fd 100644
--- a/.github/workflows/per-pr.yml
+++ b/.github/workflows/per-pr.yml
@@ -33,7 +33,7 @@ jobs:
             "./.github/tests/mix-with-tools.yaml",
             "./.github/tests/mix-persistence.yaml",
             "./.github/tests/mix-public.yaml",
-            #"./.github/tests/minimal.yaml",
+            "./.github/tests/minimal.yaml",
             "./network_params.yaml"
           ]
     runs-on: ubuntu-latest
diff --git a/.github/workflows/run-k8s.yml b/.github/workflows/run-k8s.yml
index c40e05d4a..7a40af582 100644
--- a/.github/workflows/run-k8s.yml
+++ b/.github/workflows/run-k8s.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         payload:
-          #- { name: "minimal", file: "./.github/tests/minimal.yaml" }
+          - { name: "minimal", file: "./.github/tests/minimal.yaml" }
           - { name: "network-params", file: "./network_params.yaml" }
     runs-on: ubuntu-latest
     steps:
diff --git a/src/package_io/input_parser.star b/src/package_io/input_parser.star
index 942a5034b..ae8950e8a 100644
--- a/src/package_io/input_parser.star
+++ b/src/package_io/input_parser.star
@@ -27,11 +27,11 @@ DEFAULT_CL_IMAGES = {
 }
 
 DEFAULT_CL_IMAGES_MINIMAL = {
-    "lighthouse": "ethpandaops/lighthouse:stable",
+    "lighthouse": "ethpandaops/lighthouse:unstable",
     "teku": "ethpandaops/teku:master",
-    "nimbus": "ethpandaops/nimbus-eth2:stable-minimal",
+    "nimbus": "ethpandaops/nimbus-eth2:unstable-minimal",
     "prysm": "ethpandaops/prysm-beacon-chain:develop-minimal",
-    "lodestar": "chainsafe/lodestar:latest",
+    "lodestar": "ethpandaops/lodestar:unstable",
     "grandine": "ethpandaops/grandine:develop-minimal",
 }
 
@@ -46,9 +46,9 @@ DEFAULT_VC_IMAGES = {
 }
 
 DEFAULT_VC_IMAGES_MINIMAL = {
-    "lighthouse": "ethpandaops/lighthouse:stable",
-    "lodestar": "chainsafe/lodestar:latest",
-    "nimbus": "ethpandaops/nimbus-validator-client:stable-minimal",
+    "lighthouse": "ethpandaops/lighthouse:unstable",
+    "lodestar": "ethpandaops/lodestar:unstable",
+    "nimbus": "ethpandaops/nimbus-validator-client:unstable-minimal",
     "prysm": "ethpandaops/prysm-validator:develop-minimal",
     "teku": "ethpandaops/teku:master",
     "grandine": "ethpandaops/grandine:develop-minimal",