diff --git a/python-httplib2.spec b/python-httplib2.spec
index 06f6a38..37f0525 100644
--- a/python-httplib2.spec
+++ b/python-httplib2.spec
@@ -39,6 +39,9 @@ BuildRequires:  python3-cryptography
 %autosetup -p1 -n %{srcname}-%{version}
 rm -r python2
 
+# drop python2-only requirement for old pyparsing
+sed -i '/TODO remove after dropping Python2 support/d' requirements.txt
+
 # Drop coverage
 sed -i '/--cov/d' setup.cfg