diff --git a/Dockerfile b/Dockerfile
index b5d6866..682e694 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Pre-define ARGs to ensure correct scope
 ARG GLIBC_VER=2.27
-ARG BUSYB_VER=1.28.2
+ARG BUSYB_VER=1.28.3
 ARG SU_EXEC_VER=v0.3
 ARG TINI_VER=v0.17.0