diff --git a/Dockerfile b/Dockerfile
index 924d1e0..0cc4db8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.26.3@sha256:2d6c80227255c3112a4d08e67ba98e58efd3846daf15d9d7d4c389565d881b1a AS builder
+FROM golang:1.26.4@sha256:68cb6d68bed024785b69195b89af7ac7a444f27791435f98647edff595aa0479 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 # cycle 54 — release pipeline 이 `docker build --build-arg VERSION=vX.Y.Z` 등으로