diff --git a/mathgl.spec b/mathgl.spec
index 8f1d465..dc41dda 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -1,7 +1,7 @@
 %{!?octave_api:%global octave_api %(octave-config -p API_VERSION || echo 0)}
 Name: mathgl
 Version: 1.10.2.1
-Release: 2%{?dist}.1
+Release: 3%{?dist}
 Summary: Cross-platform library for making high-quality scientific graphics
 Summary(ru): MathGL - это библиотека для осуществления высококачественной визуализации данных
 License: GPLv2+
@@ -50,6 +50,7 @@ opengl applications
 Summary: Libraries and header files for %{name} library
 Group: Development/Libraries
 Requires: %{name} = %{version}-%{release}
+Requires: gsl-devel
 
 %description devel
 The %{name}-devel package contains libraries and header files for
@@ -220,6 +221,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc texinfo/docs/*
 
 %changelog
+* Sun Aug 08 2010 <mycae(a!t)yahoo.com> - 1.10.2.1-3
+- Add gsl-devel to requires
+
 * Wed Jul 14 2010 Dan Horák <dan@danny.cz> - 1.10.2.1-2.1
 - rebuilt against wxGTK-2.8.11-2