diff --git a/clamav-http/Dockerfile b/clamav-http/Dockerfile
index 0357a52..7e85fc9 100644
--- a/clamav-http/Dockerfile
+++ b/clamav-http/Dockerfile
@@ -9,7 +9,7 @@ COPY server/  ./server/
 RUN CGO_ENABLED=0 GOOS=linux go install -v \
             github.com/ukhomeoffice/clamav-http/clamav-http
 
-FROM alpine:3.20.2
+FROM alpine:3.21.0
 RUN apk --no-cache add ca-certificates
 
 RUN addgroup -g 1000 -S app && \