diff --git a/Dockerfile b/Dockerfile
index 3d7568a10..310fa02f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ ARG TAG
 RUN CGO_ENABLED=0 GOOS=linux go build -o deck \
       -ldflags "-s -w -X github.com/kong/deck/cmd.VERSION=$TAG -X github.com/kong/deck/cmd.COMMIT=$COMMIT"
 
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 RUN adduser --disabled-password --gecos "" deckuser
 RUN apk --no-cache add ca-certificates jq
 USER deckuser