diff --git a/requirements.txt b/requirements.txt
index 2932b30..2271750 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ idna==2.8
 ply==3.11
 pyhcl==0.3.13
 python-dotenv==0.10.3
-PyYAML==5.1.2
+PyYAML==5.2
 requests==2.22.0
 six==1.13.0
 toml==0.10.0