diff --git a/setup.py b/setup.py
index 8c9ba1d..6001389 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 # depends on Ray, then we create a cyclic dep.
 # workaround from: https://stackoverflow.com/a/17626524
 with open("tune_sklearn/_version.py") as f:
-    text = f.readlines()  # Returns ['__version__ = "0.4.4"']
+    text = f.readlines()  # Returns ['__version__ = "0.4.5"']
     __version__ = text[-1].split()[-1].strip("\"'")
 
 VERSION = os.environ.get("TSK_RELEASE_VERSION", __version__)
diff --git a/tune_sklearn/_version.py b/tune_sklearn/_version.py
index 3b5f2a8..90552eb 100644
--- a/tune_sklearn/_version.py
+++ b/tune_sklearn/_version.py
@@ -1 +1 @@
-__version__ = "0.4.4"
+__version__ = "0.4.5"