diff --git a/utils/ecc_test_vectors/requirements.txt b/utils/ecc_test_vectors/requirements.txt
index b42bc21..035ab4f 100644
--- a/utils/ecc_test_vectors/requirements.txt
+++ b/utils/ecc_test_vectors/requirements.txt
@@ -1,3 +1,3 @@
-fastecdsa==1.7.4
+fastecdsa==2.1.2
 pkg-resources==0.0.0
 six==1.12.0