diff --git a/Eigen/CMakeLists.txt b/Eigen/CMakeLists.txt
index d749bcda3..7cbd2fe56 100644
--- a/Eigen/CMakeLists.txt
+++ b/Eigen/CMakeLists.txt
@@ -1,4 +1,4 @@
-SET(Eigen_HEADERS Core CoreDeclarations LU Cholesky QR Geometry Sparse Array SVD)
+SET(Eigen_HEADERS Core CoreDeclarations LU Cholesky QR Geometry Sparse Array SVD Regression)
 
 IF(BUILD_LIB)
     SET(Eigen_SRCS