diff --git a/x-pack/functionbeat/Dockerfile b/x-pack/functionbeat/Dockerfile
index 196dd8d5f234..bd68544accce 100644
--- a/x-pack/functionbeat/Dockerfile
+++ b/x-pack/functionbeat/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.5
+FROM golang:1.20.11
 
 RUN \
     apt-get update \