diff --git a/dev-requirements.txt b/dev-requirements.txt
index fd1a6a9..55f69e7 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -90,7 +90,7 @@ python-dateutil==2.8.0
 python-jose==2.0.2
 python-levenshtein==0.12.0
 pytz==2019.1
-pyyaml==5.1
+pyyaml==5.4.1
 raven[flask]==6.10.0
 redis==3.2.1
 requests==2.22.0          # via aws-xray-sdk, codecov, docker, responses, sphinx
diff --git a/requirements.txt b/requirements.txt
index 777f479..8b452d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ ordered-set==3.1.1        # via deepdiff
 pyrsistent==0.15.6        # via jsonschema
 python-dateutil==2.8.1
 python-levenshtein==0.12.0
-pyyaml==5.2
+pyyaml==5.4.1
 retrying==1.3.3
 s3transfer==0.2.1         # via boto3
 simplejson==3.17.0        # via swag-client
diff --git a/web-requirements.txt b/web-requirements.txt
index 4b9fc4c..7221892 100644
--- a/web-requirements.txt
+++ b/web-requirements.txt
@@ -38,7 +38,7 @@ pyrsistent==0.14.11
 python-dateutil==2.8.0
 python-levenshtein==0.12.0
 pytz==2019.3              # via flask-restful
-pyyaml==5.1
+pyyaml==5.4.1
 raven[flask]==6.10.0
 redis==3.3.11             # via flask-rq2, rq
 retrying==1.3.3