diff --git a/setup.py b/setup.py
index 01b44b6fa..17139c112 100644
--- a/setup.py
+++ b/setup.py
@@ -43,5 +43,5 @@ setup(
     ],
     python_requires=">=3.7",
     setup_requires=["setuptools_scm>=4,<6.1"],
-    install_requires=["protobuf==3.19.4", "fonttools"],
+    install_requires=["protobuf>=3.19.4", "fonttools"],
 )