diff --git a/buildconfig/CMake/Eigen.in b/buildconfig/CMake/Eigen.in
index 3157b2e2fb98d00c0e8a49a4edb362147573cb87..8af9e7cce8afe9b1c5d97cd11a62818a8b5b8e0d 100644
--- a/buildconfig/CMake/Eigen.in
+++ b/buildconfig/CMake/Eigen.in
@@ -2,8 +2,8 @@ cmake_minimum_required ( VERSION 3.5 )
 include( ExternalProject )
 
 ExternalProject_Add(eigen
-  URL "https://bitbucket.org/eigen/eigen/get/3.3.4.tar.gz"
-  URL_HASH "MD5=1a47e78efe365a97de0c022d127607c3"
+  URL "https://github.com/eigenteam/eigen-git-mirror/archive/3.3.4.tar.gz"
+  URL_HASH "MD5=1896a1f682e6cdcffd91b6e5ba8286a2"
   DOWNLOAD_DIR ${CMAKE_CURRENT_BINARY_DIR}/extern-eigen/download
   SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/extern-eigen/source
   INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/extern-eigen/install