diff --git a/requirements.txt b/requirements.txt
index 1432484..66843b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ seaborn==0.9.0
 scipy==1.2.1
 matplotlib==3.0.3
 scikit-learn==0.20.3
-pyyaml==5.1.1
+pyyaml==5.4
 psutil==5.6.6
 h5py==2.9.0
 keras==2.2.4
@@ -14,7 +14,7 @@ playsound==1.2.2
 librosa==0.7.1
 protobuf==3.7.1
 xgboost==0.90
-pyyaml==5.1.1
+pyyaml==5.4
 lightgbm==2.2.3
 torch==1.3.1
 torchvision==0.4.2