diff --git a/requirements.txt b/requirements.txt
index cc860af..4ed02ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,5 @@ macholib==1.14
 pefile==2019.4.18
 PyInstaller==3.4
 PyQt5==5.9.2
+simpleeval==0.9.10
 sip==4.19.8