diff --git a/requirements.txt b/requirements.txt
index 53f7d59..fff865d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ jinja2==2.10
 jsonschema==3.0.1
 openpyxl==2.5.4
 netaddr==0.7.19
-pyyaml==5.1
+pyyaml==5.1.1
 requests==2.22.0
 
 git+https://opendev.org/airship/spyglass-plugin-xls.git#egg=spyglass-plugin-xls