diff --git a/code/requirements.txt b/code/requirements.txt
index e25d6c1..f40ad1a 100644
--- a/code/requirements.txt
+++ b/code/requirements.txt
@@ -129,7 +129,7 @@ python-dateutil==2.6.1
 pytz==2017.2
 PyWavelets==0.5.2
 pywin32==221
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==16.0.2
 QtAwesome==0.4.4
 qtconsole==4.3.1
diff --git a/requirements.txt b/requirements.txt
index f3a5382..0eb0108 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -130,7 +130,7 @@ python-dateutil==2.6.1
 pytz==2017.2
 PyWavelets==0.5.2
 pywin32==221
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==16.0.2
 QtAwesome==0.4.4
 qtconsole==4.3.1
diff --git a/submission/requirements.txt b/submission/requirements.txt
index 1201ad7..a900664 100644
--- a/submission/requirements.txt
+++ b/submission/requirements.txt
@@ -130,7 +130,7 @@ python-dateutil==2.6.1
 pytz==2017.2
 PyWavelets==0.5.2
 pywin32==221
-PyYAML==3.12
+PyYAML==5.1
 pyzmq==16.0.2
 QtAwesome==0.4.4
 qtconsole==4.3.1