diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c37098c..82f63f3
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 beautifulsoup4==4.6.0
 bs4==0.0.1
 cairocffi==0.8.0
-CairoSVG==2.1.3
+CairoSVG==2.5.1
 certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4