diff --git a/aur/action.yml b/aur/action.yml
index b966297..a994cf2 100644
--- a/aur/action.yml
+++ b/aur/action.yml
@@ -12,7 +12,7 @@ runs:
   steps:
     - name: Get aur cache key
       id: cache-aur-key
-      uses: docker://git.fml128.ch/fml128/idkyet-builder:latest
+      uses: docker://git.fml128.ch/fml128/idkyet-builder:2024.03.271747
       with:
         args: generate_aur_cache_key ${{ inputs.layer_config_file }}
     - name: Restore aur cache
@@ -26,7 +26,7 @@ runs:
           aur-${{ github.repository }}-
     - name: Build aur
       if: steps.cache-aur-restore.outputs.cache-hit != 'true'
-      uses: docker://git.fml128.ch/fml128/idkyet-builder:latest
+      uses: docker://git.fml128.ch/fml128/idkyet-builder:2024.03.271747
       with:
         args: build_aur_packages ${{ inputs.layer_config_file }}
     - name: Save aur cache
diff --git a/builder/action.yml b/builder/action.yml
index edfb519..10f6530 100644
--- a/builder/action.yml
+++ b/builder/action.yml
@@ -25,7 +25,7 @@ inputs:
 #    description: 'json dict of hashes of all files'
 runs:
   using: docker
-  image: docker://git.fml128.ch/fml128/idkyet-builder:latest
+  image: docker://git.fml128.ch/fml128/idkyet-builder:2024.03.271747
   args:
     - build
     - ${{ inputs.layer_config_file }}