diff --git a/setup.py b/setup.py
index 403cd7d2..ac4f4158 100644
--- a/setup.py
+++ b/setup.py
@@ -71,7 +71,7 @@
     "azure_functions_worker._thirdparty",
 ]
 
-INSTALL_REQUIRES = ["azure-functions==1.19.0b2"]
+INSTALL_REQUIRES = ["azure-functions==1.19.0b3"]
 
 if sys.version_info[:2] == (3, 7):
     INSTALL_REQUIRES.extend(