diff --git a/requirements.txt b/requirements.txt
index 36c6840..0222911 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pydub==0.23.1
 numpy==1.18.1+mkl
 nltk==3.4.5
 Bio==0.1.0
-PyYAML==5.3
+PyYAML==5.4
 google==2.0.3
 unittest_data_provider==1.0.1
 memory_profiler==0.55.0
\ No newline at end of file