diff --git a/Dockerfile.centos7 b/Dockerfile.centos7
index 9453e56d..488e9bc5 100644
--- a/Dockerfile.centos7
+++ b/Dockerfile.centos7
@@ -17,7 +17,7 @@ RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo \
 RUN ln -sf /usr/bin/cmake3 /usr/bin/cmake
 
 # Download Bison
-RUN wget https://ftpmirror.gnu.org/gnu/bison/bison-3.8.2.tar.gz && \
+RUN wget https://mirrors.kernel.org/gnu/bison/bison-3.8.2.tar.gz && \
     tar -xvf bison-3.8.2.tar.gz && \
     rm bison-3.8.2.tar.gz