diff --git a/images/Dockerfile b/images/Dockerfile
index 2e5ea6d7513..119ed9b0499 100644
--- a/images/Dockerfile
+++ b/images/Dockerfile
@@ -37,6 +37,7 @@ FROM mcr.microsoft.com/dotnet/runtime-deps:6.0-jammy
 ENV DEBIAN_FRONTEND=noninteractive
 ENV RUNNER_MANUALLY_TRAP_SIG=1
 ENV ACTIONS_RUNNER_PRINT_LOG_TO_STDOUT=1
+ENV ImageOS=ubuntu22
 
 RUN apt-get update -y \
     && apt-get install -y --no-install-recommends \