diff --git a/kauth.spec b/kauth.spec
index b254b0f..46e03a8 100644
--- a/kauth.spec
+++ b/kauth.spec
@@ -19,14 +19,17 @@
 %bcond_without lang
 %define lname   libKF5Auth5
 %define _tar_path 5.38
+# Full KF5 version (e.g. 5.33.0)
+%{!?_kf5_version: %global _kf5_version %{version}}
+# Last major and minor KF5 version (e.g. 5.33)
+%{!?_kf5_bugfix_version: %global _kf5_bugfix_version %(echo %{_kf5_version} | awk -F. '{print $1"."$2}')}
 Name:           kauth
 Version:        5.38.0
 Release:        0
-%define kf5_version %{version}
 BuildRequires:  cmake >= 3.0
-BuildRequires:  extra-cmake-modules >= %{_tar_path}
+BuildRequires:  extra-cmake-modules >= %{_kf5_bugfix_version}
 BuildRequires:  fdupes
-BuildRequires:  kcoreaddons-devel >= %{_tar_path}
+BuildRequires:  kcoreaddons-devel >= %{_kf5_bugfix_version}
 BuildRequires:  kf5-filesystem
 BuildRequires:  libpolkit-qt5-1-devel
 %if %{with lang}
@@ -61,7 +64,7 @@ Summary:        Framework which lets applications perform actions as a privilege
 Group:          Development/Libraries/KDE
 Requires:       %lname = %{version}
 Requires:       extra-cmake-modules
-Requires:       kcoreaddons-devel >= %{_tar_path}
+Requires:       kcoreaddons-devel >= %{_kf5_bugfix_version}
 
 %description devel
 KAuth is a framework to let applications perform actions as a privileged user.