diff --git a/requirements.txt b/requirements.txt
index c2495120..cb64ec18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cycler~=0.11.0
 dill~=0.3.7
 Farama-Notifications~=0.0.4
 fonttools~=4.42.0
-gym~=0.9.4
+gym==0.9.4
 gymnasium~=0.29.1
 idna~=3.4
 iniconfig~=2.0.0
diff --git a/setup.py b/setup.py
index 81454a30..4d28594c 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ def parse_requirements(filename):
 
 setup(
     name="simglucose",
-    version="0.2.6",
+    version="0.2.7",
     description="A Type-1 Diabetes Simulator as a Reinforcement Learning Environment in OpenAI gym or rllab (python implementation of UVa/Padova Simulator)",
     url="https://github.com/jxx123/simglucose",
     author="Jinyu Xie",