diff --git a/sdk/mixedreality/azure-mixedreality-authentication/dev_requirements.txt b/sdk/mixedreality/azure-mixedreality-authentication/dev_requirements.txt
index d9b5454b3434..fbdc760e9b29 100644
--- a/sdk/mixedreality/azure-mixedreality-authentication/dev_requirements.txt
+++ b/sdk/mixedreality/azure-mixedreality-authentication/dev_requirements.txt
@@ -2,3 +2,4 @@
 ../azure-mixedreality-nspkg
 ../../core/azure-core
 aiohttp>=3.0; python_version >= '3.5'
+-e ../../../tools/azure-devtools