diff --git a/gimp.spec b/gimp.spec
index 242a684..cce0055 100644
--- a/gimp.spec
+++ b/gimp.spec
@@ -91,8 +91,8 @@ Release:        %{?prerelprefix}4%{dotprerel}%{dotgitrev}%{?dist}
 %global micro %(ver=%{version}; ver=${ver#%major.%minor.}; echo ${ver%%%%.*})
 %global binver %{major}.%{minor}
 %global interface_age 0
-%global gettext_version 20
-%global lib_api_version 2.0
+%global gettext_version %{major}0
+%global lib_api_version %{major}.0
 %if ! %unstable
 %global lib_minor %(echo $[%minor * 100])
 %global lib_micro %micro