diff --git a/test_generators/bls/requirements.txt b/test_generators/bls/requirements.txt
index 84a28d357..8a72affe0 100644
--- a/test_generators/bls/requirements.txt
+++ b/test_generators/bls/requirements.txt
@@ -1,3 +1,3 @@
-py_ecc==1.7.1
+py_ecc==2.0.0
 eth-utils==1.6.0
 ../../test_libs/gen_helpers
diff --git a/test_libs/pyspec/setup.py b/test_libs/pyspec/setup.py
index d41412eb8..5be0db7f8 100644
--- a/test_libs/pyspec/setup.py
+++ b/test_libs/pyspec/setup.py
@@ -8,7 +8,7 @@ setup(
         "eth-utils>=1.3.0,<2",
         "eth-typing>=2.1.0,<3.0.0",
         "pycryptodome==3.9.4",
-        "py_ecc==1.7.1",
+        "py_ecc==2.0.0",
         "ssz==0.1.3",
         "dataclasses==0.6",
     ]