diff --git a/Containerfile b/Containerfile
index d2eed42..7c825e9 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM fluxcd/flux-cli as flux-source
+FROM fluxcd/flux-cli:v2.2.3 as flux-source
 WORKDIR /out
 RUN cp $(which flux) .