diff --git a/eigen3.spec b/eigen3.spec
index 33d004d..446486c 100644
--- a/eigen3.spec
+++ b/eigen3.spec
@@ -1,5 +1,5 @@
 Name:          eigen3
-Version:       3.3.6
+Version:       3.3.7
 Release:       1mamba
 Summary:       A C++ template library for linear algebra
 Group:         System/Libraries
@@ -63,6 +63,9 @@ cd eigen
 %doc eigen/COPYING.*
 
 %changelog
+* Wed Dec 12 2018 Automatic Build System <autodist@mambasoft.it> 3.3.7-1mamba
+- automatic version update by autodist
+
 * Mon Dec 10 2018 Automatic Build System <autodist@mambasoft.it> 3.3.6-1mamba
 - automatic version update by autodist