diff --git a/requirements.txt b/requirements.txt
index 74f1089..e2eda3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,5 @@ yoomoney
 geopy
 coinbase
 base58
-tronpy
\ No newline at end of file
+tronpy
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file