diff --git a/Dockerfile b/Dockerfile
index 54a503c..a936399 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24-bookworm
+FROM golang:1.25-bookworm
 
 # Python docutils for reStructuredText (provides rst2html)
 RUN apt-get update && apt-get install -y --no-install-recommends \