1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 398b3d99..eb1521d7 100644
--- a/setup.py
+++ b/setup.py
@@ -124,7 +124,7 @@ package_data = {
     "networkx.utils": ["tests/*.py"],
 }
 
-install_requires = ["decorator>=4.3.0"]
+install_requires = ["decorator>=4.3,<5"]
 extras_require = {
     "all": [
         "numpy",