diff --git a/mathgl.spec b/mathgl.spec
index 3fcf96f..75bbb5d 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -19,7 +19,7 @@
 
 Name:          mathgl
 Version:       2.4.4
-Release:       17%{?dist}
+Release:       18%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -297,6 +297,7 @@ Requires:      fltk-fluid
 %package fltk-devel
 Summary:       Devel files for fltk widgets of %{name} library
 Requires:      %{name}-devel = %{version}-%{release}
+Requires:      %{name}-fltk = %{version}-%{release}
 Requires:      fltk-devel
 
 %description fltk-devel
@@ -312,6 +313,7 @@ Requires:      %{name} = %{version}-%{release}
 %package wx-devel
 Summary:       Devel files for wxWidgets widgets of %{name} library
 Requires:      %{name}-devel = %{version}-%{release}
+Requires:      ${name}-wx = %{version}-%{release}
 Requires:      wxGTK-devel
 
 %description wx-devel
@@ -632,6 +634,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/mgllab.desktop
 %endif
 
 %changelog
+* Sun Mar 05 2023 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.4.4-18
+- Fix -fltk-devel and -wx-devel dependencies.
+
 * Thu Aug 04 2022 Scott Talbert <swt@techie.net> - 2.4.4-17
 - Rebuild with wxWidgets 3.2