diff --git a/requirements.txt b/requirements.txt
index da63530..6621c19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.24.0
 ws4py==0.5.1
 json-logging==1.2.11
\ No newline at end of file
diff --git a/test/requirements.txt b/test/requirements.txt
index 0040581..7bb10a9 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.24.0
 pytest==5.4.3
 pytest-dependency==0.5.1