diff --git a/Dockerfile b/Dockerfile
index b1ab401..fde34fe 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:3.19.1@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3.20.0@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 COPY --from=build /app/concourse-github-app-token /opt/resource/resource
 COPY opt/resource opt/resource