diff --git "a/2019/CISCN2019\345\215\216\344\270\234\345\214\227\347\272\277\344\270\213\350\265\233/pastebin/web/requirements.txt" "b/2019/CISCN2019\345\215\216\344\270\234\345\214\227\347\272\277\344\270\213\350\265\233/pastebin/web/requirements.txt"
index e717326..ca6530e 100644
--- "a/2019/CISCN2019\345\215\216\344\270\234\345\214\227\347\272\277\344\270\213\350\265\233/pastebin/web/requirements.txt"
+++ "b/2019/CISCN2019\345\215\216\344\270\234\345\214\227\347\272\277\344\270\213\350\265\233/pastebin/web/requirements.txt"
@@ -10,7 +10,7 @@ MarkupSafe==1.1.1
 Naked==0.1.31
 pycrypto==2.6.1
 PyMySQL==0.9.3
-PyYAML==5.1
+PyYAML==5.4
 requests==2.21.0
 shellescape==3.4.1
 SQLAlchemy==1.3.3