diff --git a/Dockerfile b/Dockerfile
index de15fac..b94d0f5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,6 +36,6 @@ COPY --from=java-builder concourse-github-app-token/build/libs/concourse-github-
 COPY reflect-config.json /app/reflect-config.json
 RUN cd /app; native-image --no-fallback --static --libc=musl --enable-https -H:ReflectionConfigurationFiles=reflect-config.json -jar concourse-github-app-token.jar
 
-FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
+FROM alpine:3.21.1@sha256:b97e2a89d0b9e4011bb88c02ddf01c544b8c781acf1f4d559e7c8f12f1047ac3
 COPY --from=build /app/concourse-github-app-token /opt/resource/resource
 COPY opt/resource opt/resource