diff --git a/requirements.txt b/requirements.txt
index ddad9d0..d60be3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 PyYaml==5.3.1
 azure-common==1.1.25
 azure-mgmt-dns==3.0.0
-boto3==1.13.0
+boto3==1.13.19
 botocore==1.16.19
 dnspython==1.16.0
 docutils==0.16