diff --git a/Dockerfile b/Dockerfile
index 9a72843..6ff6f00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # ===============================================================
 # Stage 1: Build mcp-auth-proxy from source
 # ===============================================================
-FROM golang:1.23-bookworm AS auth-proxy-builder
+FROM golang:1.25-bookworm AS auth-proxy-builder
 
 RUN git clone https://github.com/sigbit/mcp-auth-proxy.git /build \
     && cd /build \