diff --git a/eigen.spec b/eigen.spec
index 7dfb7b01f17..e04dd0098a8 100644
--- a/eigen.spec
+++ b/eigen.spec
@@ -2,7 +2,7 @@
 ## INITENV +PATH PKG_CONFIG_PATH %{i}/share/pkgconfig
 ## NOCOMPILER
 ## INCLUDE cpp-standard
-%define tag 3cbe8e768c9c51af49d533eee3f3e96fd53e13d7
+%define tag c1d637433e3b3f9012b226c2c9125c494b470ae6
 %define branch cms/master/%{realversion}
 %define github_user cms-externals
 Source: git+https://github.com/%{github_user}/eigen-git-mirror.git?obj=%{branch}/%{tag}&export=%{n}-%{realversion}&output=/%{n}-%{realversion}-%{tag}.tgz