diff --git a/Dockerfile b/Dockerfile
index 227aab7..5206da6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,5 +10,5 @@ RUN apk add wget gzip tar && \
     tar xvf mdbook.tar.gz && \
     ./mdbook build
 
-FROM ghcr.io/static-web-server/static-web-server:2.30
+FROM ghcr.io/static-web-server/static-web-server:2.31
 COPY --from=build /build/book /public