diff --git a/SmartHome_Cacty/requirements.txt b/SmartHome_Cacty/requirements.txt
index e2818a3..d6d7d62 100644
--- a/SmartHome_Cacty/requirements.txt
+++ b/SmartHome_Cacty/requirements.txt
@@ -147,7 +147,7 @@ matplotlib==3.0.2
 mattermostwrapper==2.1
 mccabe==0.6.1
 mesh-tensorflow==0.1.9
-mistune==0.8.4
+mistune==2.0.3
 mkl-fft==1.0.6
 mkl-random==1.0.2
 mkl-service==2.3.0