diff --git a/setup.py b/setup.py
index 44def48710..1e0652eaf9 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ def get_zipfile(url):
 from sys import version_info as ver
 
 # Target branch
-TILEDB_VERSION = "dev"
+TILEDB_VERSION = "1.5.1"
 
 # Use `setup.py [] --debug` for a debug build of libtiledb
 TILEDB_DEBUG_BUILD = False