diff --git a/git_trophy_lambda/requirements.txt b/git_trophy_lambda/requirements.txt
index 0e3e39f..2565d3c 100644
--- a/git_trophy_lambda/requirements.txt
+++ b/git_trophy_lambda/requirements.txt
@@ -28,7 +28,7 @@ placebo==0.9.0
 ptyprocess==0.6.0
 python-dateutil==2.8.1
 python-slugify==4.0.1
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.9.1
 s3transfer==0.3.3
 six==1.15.0
diff --git a/requirements.txt b/requirements.txt
index abe7729..39bca3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ placebo==0.8.1
 ptyprocess==0.5.2
 python-dateutil==2.6.1
 python-slugify==1.2.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.2
 s3transfer==0.1.10
 six==1.10.0