diff --git a/vendor/golang.org/x/net/http2/Dockerfile b/vendor/golang.org/x/net/http2/Dockerfile
index 53fc525..8512245 100644
--- a/vendor/golang.org/x/net/http2/Dockerfile
+++ b/vendor/golang.org/x/net/http2/Dockerfile
@@ -38,7 +38,7 @@
 RUN make install
 
 WORKDIR /root
-RUN wget http://curl.haxx.se/download/curl-7.45.0.tar.gz
+RUN wget https://curl.se/download/curl-7.45.0.tar.gz
 RUN tar -zxvf curl-7.45.0.tar.gz
 WORKDIR /root/curl-7.45.0
 RUN ./configure --with-ssl --with-nghttp2=/usr/local