diff --git a/build-cilium/action.yml b/build-cilium/action.yml
index 54dca61..025c0d1 100644
--- a/build-cilium/action.yml
+++ b/build-cilium/action.yml
@@ -3,6 +3,9 @@ inputs:
   output-dir:
     description: 'Path to the output of cilium build'
     required: true
+  cilium-revision:
+    description: 'Cilium revision to build. main is used by default'
+    required: false
 
 runs:
   using: "composite"
@@ -15,5 +18,6 @@ runs:
     - name: Build cilium/cilium bpf programs
       env:
         OUTPUT_DIR: ${{ inputs.output-dir }}
+        CILIUM_REVISION: ${{ inputs.cilium-revision }}
       shell: bash
       run: ${GITHUB_ACTION_PATH}/build-cilium.sh
diff --git a/build-cilium/build-cilium.sh b/build-cilium/build-cilium.sh
index 1a8ab52..8a7dd1a 100755
--- a/build-cilium/build-cilium.sh
+++ b/build-cilium/build-cilium.sh
@@ -40,4 +40,6 @@ popd
 
 extract_bpf_progs bpf "*.o" $OUTPUT_DIR/bpf
 
+git rev-parse HEAD > $OUTPUT_DIR/cilium-revision
+
 popd