diff --git a/setup.py b/setup.py
index 1c1127b..d7d1678 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
     install_requires=["networkx", "matplotlib", "pandas",
                       "pygraphviz", "rdkit", "click", "tqdm"],
     extras_require={"rna": ["numpy", "forgi==2.0.2"],
-                    "all": ["numpy", "forgi==2.0.2", "moviepy"]},
+                    "all": ["numpy", "forgi==2.0.2", "moviepy<2.0.0"]},
     test_suite="tests",
     entry_points="""
         [console_scripts]