diff --git a/windows/Dockerfile b/windows/Dockerfile
index d08966a..3a011af 100644
--- a/windows/Dockerfile
+++ b/windows/Dockerfile
@@ -48,9 +48,9 @@ RUN unzip -o /soft/MySQL_C_x${WIN_BITS}.zip -d ${SYSROOT}/ \
 RUN unzip -o /soft/postgresql_x${WIN_BITS}.zip -d ${SYSROOT}/ \
  && cp ${SYSROOT}/lib/*.dll ${INSTALL_DIR}/bin/
 
-# microhttpd
+# microhttpd (https://ftpmirror.gnu.org/libmicrohttpd/libmicrohttpd-latest-w32-bin.zip)
 RUN mkdir -p /soft/tmp && cd /soft/tmp \
- && wget -nv https://ftpmirror.gnu.org/libmicrohttpd/libmicrohttpd-latest-w32-bin.zip \
+ && wget -nv https://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-latest-w32-bin.zip \
  && unzip -o /soft/tmp/*.zip -d /soft/tmp \
  && cp -rfv /soft/tmp/libmicrohttpd-*-w32-bin/${WIN_ARCH2}/MinGW/static/mingw${WIN_BITS}/* ${INSTALL_DIR}/ \
  && rm -rf /soft/tmp