diff --git a/requirements.txt b/requirements.txt
index d154cbbb..825c85ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ fire==0.1.3
 pyzmq==18.0.1
 numpy==1.16.3
 Pillow==6.0.0
-gym==0.12.0
+gym==0.12.1
 tqdm==4.31.1
 matplotlib==3.0.3
 cloudpickle==0.8.1