diff --git a/playout/tests/liquidsoap/__snapshots__/entrypoint_test.ambr b/playout/tests/liquidsoap/__snapshots__/entrypoint_test.ambr
index fb0ffce35..aac66dfe5 100644
--- a/playout/tests/liquidsoap/__snapshots__/entrypoint_test.ambr
+++ b/playout/tests/liquidsoap/__snapshots__/entrypoint_test.ambr
@@ -1,3 +1,4 @@
+# serializer version: 1
 # name: test_generate_entrypoint[1.1]
   '''
   # THIS FILE IS AUTO GENERATED. PLEASE DO NOT EDIT!