diff --git a/Dockerfile b/Dockerfile
index 83fad37..9e9fbf1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ COPY --from=builder /src/public /
 
 RUN wkhtmltopdf --outline-depth 4 --enable-internal-links --enable-local-file-access  ./pdf/index.html /pdf.pdf
 
-FROM nginxinc/nginx-unprivileged:1.25-alpine
+FROM nginxinc/nginx-unprivileged:1.26-alpine
 
 LABEL maintainer puzzle.ch
 LABEL org.opencontainers.image.title "puzzle.ch's Jenkins Techlab"