diff --git a/python3.9.spec b/python3.9.spec
index f4a2049..9dff770 100644
--- a/python3.9.spec
+++ b/python3.9.spec
@@ -237,6 +237,7 @@ BuildRequires: tar
 BuildRequires: tcl-devel
 BuildRequires: tix-devel
 BuildRequires: tk-devel
+BuildRequires: tzdata
 
 %if %{with valgrind}
 BuildRequires: valgrind-devel
@@ -515,6 +516,9 @@ Recommends: %{pkgname}%{?_isa} = %{version}-%{release}
 # we recommend it when tk is already installed (for better UX)
 Recommends: (%{pkgname}-tkinter%{?_isa} = %{version}-%{release} if tk%{?_isa})
 
+# The zoneinfo module needs tzdata
+Requires: tzdata
+
 # https://fedoraproject.org/wiki/Changes/Move_usr_bin_python_into_separate_package
 # In Fedora 31, several "unversioned" files like /usr/bin/pydoc and all the
 # "unversioned" provides were moved from python2 to python3.
@@ -694,6 +698,9 @@ Provides: bundled(python3dist(pip)) = %{pip_version}
 Provides: bundled(python3dist(setuptools)) = %{setuptools_version}
 %endif
 
+# The zoneinfo module needs tzdata
+Requires: tzdata
+
 # The description for the flat package (SRPM and built)
 %description
 Python %{pybasever} package for developers.