diff --git a/python/requirements/rllib/requirements_rllib.txt b/python/requirements/rllib/requirements_rllib.txt
index f74424b047f2..a790a89e9646 100644
--- a/python/requirements/rllib/requirements_rllib.txt
+++ b/python/requirements/rllib/requirements_rllib.txt
@@ -35,6 +35,6 @@ higher==0.2.1
 # For auto-generating an env-rendering Window.
 pyglet==1.5.0
 # For JSON reader/writer.
-smart_open==5.0.0
+smart_open==5.1.0
 # Ray Serve example
 starlette==0.14.2
diff --git a/python/requirements/tune/requirements_tune.txt b/python/requirements/tune/requirements_tune.txt
index 7eb91ff96c4e..8aebfeb1d05f 100644
--- a/python/requirements/tune/requirements_tune.txt
+++ b/python/requirements/tune/requirements_tune.txt
@@ -31,7 +31,7 @@ pytorch-lightning==1.0.3
 scikit-learn==0.24.2
 scikit-optimize==0.8.1
 sigopt==7.4.0
-smart_open==5.0.0
+smart_open==5.1.0
 tensorflow-probability==0.13.0
 timm==0.4.5