diff --git a/harvester/requirements.txt b/harvester/requirements.txt
index d8987f5c..3bb01ec9 100644
--- a/harvester/requirements.txt
+++ b/harvester/requirements.txt
@@ -21,6 +21,6 @@ pytz==2019.3
 Shapely==1.7.0
 six==1.14.0
 urllib3==1.25.8
-zope.interface==5.0.1
+zope.interface==5.5.2
 requests==2.25.1
 tqdm==4.66.1
\ No newline at end of file