diff --git a/ngspice.spec b/ngspice.spec
index d09b3f6..c48405e 100644
--- a/ngspice.spec
+++ b/ngspice.spec
@@ -1,5 +1,5 @@
 Name:          ngspice
-Version:       36
+Version:       37
 Release:       1mamba
 Summary:       Mixed-level/Mixed-signal circuit simulator based on Spice3f5, Ciber1b1, and Xspice
 Group:         Applications/Scientific
@@ -83,6 +83,9 @@ This package contains libraries and header files for developing applications tha
 %{_libdir}/pkgconfig/ngspice.pc
 
 %changelog
+* Thu May 19 2022 Automatic Build System <autodist@mambasoft.it> 37-1mamba
+- automatic version update by autodist
+
 * Sat Jan 01 2022 Automatic Build System <autodist@mambasoft.it> 36-1mamba
 - automatic version update by autodist