diff --git a/python/requirements/tune/requirements_tune.txt b/python/requirements/tune/requirements_tune.txt
index 4d09dea81b47..0c63fa813d1a 100644
--- a/python/requirements/tune/requirements_tune.txt
+++ b/python/requirements/tune/requirements_tune.txt
@@ -6,7 +6,7 @@ ConfigSpace==0.4.18
 dask[complete]==2021.03.0; python_version < '3.7'
 dask[complete]==2021.06.1; python_version >= '3.7'
 dragonfly-opt==0.1.6
-flaml==0.5.2
+flaml==0.6.3
 freezegun==1.1.0
 gluoncv==0.10.1.post0
 gpy==1.10.0