diff --git a/python/arcticdb/__init__.py b/python/arcticdb/__init__.py
index 4053f63389..be5d211d6a 100644
--- a/python/arcticdb/__init__.py
+++ b/python/arcticdb/__init__.py
@@ -15,4 +15,4 @@
 
 set_config_from_env_vars(_os.environ)
 
-__version__ = "4.5.1rc4"
+__version__ = "4.5.1"
diff --git a/setup.cfg b/setup.cfg
index c9170d904c..2e65001b56 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = arcticdb
-version = 4.5.1rc4
+version = 4.5.1
 description = ArcticDB DataFrame Database
 author = Man Alpha Technology
 author_email = arcticdb@man.com