diff --git a/src/requirements-gpu.txt b/src/requirements-gpu.txt
index da80471..941678b 100644
--- a/src/requirements-gpu.txt
+++ b/src/requirements-gpu.txt
@@ -73,7 +73,7 @@ PyNaCl==1.2.1
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 redis==2.10.6
 requests==2.19.0
diff --git a/src/requirements.txt b/src/requirements.txt
index 015ff3f..8e8820f 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -73,7 +73,7 @@ PyNaCl==1.2.1
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 redis==2.10.6
 requests==2.19.0
diff --git a/src/requirementssenti.txt b/src/requirementssenti.txt
index ff7f09c..121a03b 100644
--- a/src/requirementssenti.txt
+++ b/src/requirementssenti.txt
@@ -74,7 +74,7 @@ PyNaCl==1.2.1
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==17.0.0
 redis==2.10.6
 requests==2.19.0