diff --git a/automated_detection_testing/requirements.txt b/automated_detection_testing/requirements.txt
index 8e3dcc8f44..cf19d47d3e 100644
--- a/automated_detection_testing/requirements.txt
+++ b/automated_detection_testing/requirements.txt
@@ -6,7 +6,7 @@ atomicwrites==1.4.0
 attackcti==0.3.4.3
 attrs==21.2.0
 azure-common==1.1.27
-azure-core==1.16.0
+azure-core==1.26.3
 azure-identity==1.6.0
 azure-mgmt-compute==20.0.0
 azure-mgmt-core==1.2.1