diff --git a/requirement.txt b/requirement.txt
index e9aa22b..5b27ed4 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -20,7 +20,7 @@ pyasn1==0.4.5
 pyasn1-modules==0.2.4
 pycryptodome==3.7.3
 pyscrypt==1.6.2
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 rsa==4.0
 shellescape==3.4.1
diff --git a/setup.py b/setup.py
index 39b6b0b..9177b9e 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
         "pycurl == 7.43.0.1",
         "pyscrypt == 1.6.2",
         "pysha3 == 1.0.2",
-        "PyYAML == 3.12",
+        "PyYAML == 5.4",
         "requests == 2.18.4",
         "shellescape == 3.4.1",
         "six == 1.11.0",