diff --git a/app/requirements.txt b/app/requirements.txt
index 6dce9e0..206a313 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -14,7 +14,7 @@ MarkupSafe==1.1.1
 multidict==4.7.5
 pbr==5.4.4
 python-dotenv==0.12.0
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.14.0
 slackclient==2.5.0
 smmap==3.0.1
@@ -37,7 +37,7 @@ MarkupSafe==1.1.1
 multidict==4.7.5
 pbr==5.4.4
 python-dotenv==0.12.0
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.14.0
 slack==0.0.2
 slackclient==2.5.0
diff --git a/requirements.txt b/requirements.txt
index b2421f3..0d50267 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ itsdangerous==1.1.0
 Jinja2==2.11.1
 MarkupSafe==1.1.1
 pbr==5.4.4
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.14.0
 smmap==3.0.1
 stevedore==1.32.0
@@ -22,7 +22,7 @@ Jinja2==2.11.1
 MarkupSafe==1.1.1
 pbr==5.4.4
 python-dotenv==0.12.0
-PyYAML==5.3.1
+PyYAML==5.4
 six==1.14.0
 smmap==3.0.1
 stevedore==1.32.0