diff --git a/services/tool-firewall/Dockerfile b/services/tool-firewall/Dockerfile
index 932fae8..3cb4bbe 100644
--- a/services/tool-firewall/Dockerfile
+++ b/services/tool-firewall/Dockerfile
@@ -5,7 +5,7 @@ RUN go mod download 2>/dev/null || true
 COPY . .
 RUN CGO_ENABLED=0 go build -o /tool-firewall .
 
-FROM docker.io/library/alpine:3.24.1@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b
+FROM docker.io/library/alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
 RUN apk add --no-cache ca-certificates
 COPY --from=build /tool-firewall /usr/local/bin/tool-firewall
 USER 65534:65534