Update README.md (#229)

README.md

@@ -12,7 +12,7 @@ implementation can be found [in this repository](https://github.com/lcswillems/t
 
 Requirements:
 - Python 3.7 to 3.10
-- OpenAI Gym v0.22 to v0.25
+- OpenAI Gym v0.26
 - NumPy 1.18+
 - Matplotlib (optional, only needed for display) - 3.0+
 

requirements.txt

@@ -1,3 +1,3 @@
 numpy>=1.18.0
-gym>=0.22,<=0.26
+gym>=0.26
 matplotlib>=3.0

setup.py

@@ -39,7 +39,7 @@ setup(
     long_description=long_description,
     long_description_content_type="text/markdown",
     install_requires=[
-        "gym>=0.22,<=0.26",
+        "gym>=0.26",
         "numpy>=1.18.0",
         "matplotlib>=3.0",
     ],