diff --git a/cmd/mygithub/Dockerfile b/cmd/mygithub/Dockerfile
index 691037a..2bb6632 100644
--- a/cmd/mygithub/Dockerfile
+++ b/cmd/mygithub/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.27.1-alpine@sha256:e9bbdf282b51ac8b34c46e5f31d2d56e7bad60366c35f08d2f295b921b13388b AS builder
+FROM --platform=$BUILDPLATFORM golang:1.27.1-alpine@sha256:4cb7ac979db5fcc41cae44b2227ba5ab8a51e8807f40d9ba4dee20a0ad960b5b AS builder
 
 RUN apk add --no-cache -U git curl
 RUN sh -c "$(curl --location https://taskfile.dev/install.sh)" -- -d -b /usr/local/bin
@@ -16,7 +16,7 @@ RUN --mount=type=cache,target=/go/pkg \
     --mount=type=cache,target=/root/.cache/go-build \
     task generate build GOOS=${TARGETOS} GOARCH=${TARGETARCH}
 
-FROM alpine:3.24@sha256:5b02b42e375f7426f8d65c3af331ca05d9878f9989230354504e0b9dfd431f60
+FROM alpine:3.24@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
 
 RUN apk add --no-cache ca-certificates mailcap