diff --git a/setup.py b/setup.py
index e8788d462..2e15eda46 100644
--- a/setup.py
+++ b/setup.py
@@ -69,8 +69,8 @@ setup(
         "click>=7.0,<8",
         "cryptography>=3.0,<3.1.1",
         "flask>=1.1.1,<1.2",
-        "h2>=4.0,<5",
-        "hyperframe>=6.0,<7",
+        "h2>=4.0,<5; python_version>='3.6.0'",  # python_version only needed to make "py36+ required" message work
+        "hyperframe>=6.0,<7; python_version>='3.6.0'",  # python_version only needed to make "py36+ required" message work
         "kaitaistruct>=0.7,<0.9",
         "ldap3>=2.8,<2.9",
         "msgpack>=1.0.0, <1.1.0",