diff --git a/.gitignore b/.gitignore
index f6ab76fda..19dfac9ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,6 @@ lapack/reference
 .settings
 Makefile
 !ci/build.gitlab-ci.yml
+!scripts/buildtests.in
+!Eigen/Core
+!Eigen/src/Core