diff --git a/python/requirements/tune/requirements_tune.txt b/python/requirements/tune/requirements_tune.txt
index c70765c8af94..f75fcc71bbf5 100644
--- a/python/requirements/tune/requirements_tune.txt
+++ b/python/requirements/tune/requirements_tune.txt
@@ -32,7 +32,7 @@ pytorch-lightning==1.4.5
 scikit-learn==0.24.2
 scikit-optimize==0.8.1
 sigopt==7.5.0
-smart_open==5.1.0
+smart_open==5.2.1
 tensorflow-probability==0.13.0
 timm==0.4.5