diff --git a/python-cryptography.spec b/python-cryptography.spec
index 16b4d7e..ae9b0b1 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -49,6 +49,7 @@ BuildRequires:  python%{python3_pkgversion}-iso8601
 BuildRequires:  python%{python3_pkgversion}-pretend
 BuildRequires:  python%{python3_pkgversion}-pytest-benchmark
 BuildRequires:  python%{python3_pkgversion}-pytest-xdist
+BuildRequires:  python%{python3_pkgversion}-pytz
 %endif
 BuildRequires:  python%{python3_pkgversion}-pytest >= 6.2.0
 %endif
@@ -119,7 +120,7 @@ find . -name Cargo.toml -print -delete
 %check
 %if %{with tests}
 %if 0%{?rhel}
-# skip benchmark and hypothesis tests on RHEL
+# skip benchmark, hypothesis, and pytz tests on RHEL
 rm -rf tests/bench tests/hypothesis
 # append skipper to skip iso8601 and pretend tests
 cat < %{SOURCE2} >> tests/conftest.py