diff --git a/requirements-travis.txt b/requirements-travis.txt
index 4e80687..612649c 100644
--- a/requirements-travis.txt
+++ b/requirements-travis.txt
@@ -1,5 +1,5 @@
 --index-url https://pypi.python.org/simple/
-PyYAML==3.11
+PyYAML==5.1
 quik==0.2.2
 mock==1.0.1
 nose==1.3.4
diff --git a/requirements.txt b/requirements.txt
index 9e37bf6..99a9ed9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 --index-url https://pypi.python.org/simple/
 pyobjc-core==3.0.4
 pyobjc-framework-Cocoa==3.0.4
-PyYAML==3.11
+PyYAML==5.1
 quik==0.2.2