diff --git a/python3.9.spec b/python3.9.spec
index 4a68789..0b23613 100644
--- a/python3.9.spec
+++ b/python3.9.spec
@@ -250,9 +250,9 @@ BuildRequires: sqlite-devel
 BuildRequires: gdb
 
 BuildRequires: tar
-BuildRequires: tcl-devel
+BuildRequires: tcl-devel < 1:9
 BuildRequires: tix-devel
-BuildRequires: tk-devel
+BuildRequires: tk-devel < 1:9
 BuildRequires: tzdata
 
 %if %{with valgrind}