diff --git a/requirements.txt b/requirements.txt
index b8b4ce73..adde852a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pytidylib==0.3.2
 simplejson==3.16.0
 six==1.14.0
 pyfunnel==0.3.0
-PyYAML==5.4
+PyYAML==6.0.1
 cerberus==1.3.4
 
 # For documentation and testing.
diff --git a/setup.py b/setup.py
index 617d41f0..0de3df9e 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@
         'simplejson>=3.16',
         'six>=1.14',
         'pyfunnel>=0.3.0',
-        'PyYAML>=5.4',
+        'PyYAML>=6.0.1',
         'cerberus>=1.3.4',
     ],
     packages=[