diff --git a/requirements.txt b/requirements.txt
index ddd313a..2370926 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ dasy-hy
 hyrule
 black
 pytest
+eth-abi>=5.0.1 # not directly required, pinned by Snyk to avoid a vulnerability