diff --git a/REQUIREMENTS b/REQUIREMENTS
index cfaf9ad..3bbcc88 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -21,7 +21,7 @@ domaintools_api
 pygeoip
 bs4
 oauth2
-yara-python
+yara-python==3.8.0
 sigmatools
 stix2-patterns
 maclookup