diff --git a/kstars.spec b/kstars.spec
index 54a8dd7..861024d 100644
--- a/kstars.spec
+++ b/kstars.spec
@@ -1,6 +1,6 @@
 Name:          kstars
 Epoch:         1
-Version:       3.6.4
+Version:       3.6.6
 Release:       1mamba
 Summary:       Desktop Planetarium
 Group:         Graphical Desktop/Applications/Educational
@@ -19,6 +19,7 @@ BuildRequires: libX11-devel
 BuildRequires: libattica5-devel
 BuildRequires: libcfitsio-devel
 BuildRequires: libgcc
+BuildRequires: libgsl-devel
 BuildRequires: libkauth-devel
 BuildRequires: libkbookmarks-devel
 BuildRequires: libkcodecs-devel
@@ -129,6 +130,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Wed Aug 02 2023 Automatic Build System <autodist@mambasoft.it> 3.6.6-1mamba
+- automatic version update by autodist
+
 * Sat Apr 08 2023 Automatic Build System <autodist@mambasoft.it> 3.6.4-1mamba
 - automatic version update by autodist