1 files changed, 1 insertions, 0 deletions
diff --git a/Eigen/Regression b/Eigen/Regression
index 8213ff77f..5504f922c 100644
--- a/Eigen/Regression
+++ b/Eigen/Regression
@@ -2,6 +2,7 @@
 #define EIGEN_REGRESSION_MODULE_H
 
 #include "LU"
+#include "QR"
 
 namespace Eigen {