diff --git a/.gitea/workflows/hello.yml b/.gitea/workflows/hello.yml
index 9fa78de..5377650 100644
--- a/.gitea/workflows/hello.yml
+++ b/.gitea/workflows/hello.yml
@@ -11,9 +11,9 @@ jobs:
                 RANDOM_SEED: [0]
                 VARIANT: [0,2]
         container:
-            image: registry.cloud.peeters.page/small-boom-config:latest
+            image: registry.cloud.peeters.page/small-boom-config:latest@81809f3a1a15979a8efe62e5b6e43b631975343ee19cdf856e5bc33324cb7297
         steps:
         -   name: Checkout
-            uses: actions/checkout@v2
+            uses: actions/checkout@v4
         -   name: Run
             run: (set -o pipefail && time /opt/simulator +permissive +dramsim +dramsim_ini_dir=/opt/dramsim2_ini +max-cycles=1000000000 +permissive-off /opt/pk ./binaries/hello_BMS_MODIFIER_$BMS_MODIFIER_RANDOM_SEED_$RANDOM_SEED_VARIANT_$VARIANT </dev/null)