diff --git a/setup.py b/setup.py
index 211e5d8..efd326d 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
     install_requires=[
         "web3==3.16.5",
         "rlp==0.6.0",
-        "pycryptodome==3.7.2",
+        "pycryptodome==3.19.1",
         "coincurve==11.0.0",
         "eth-abi==0.5.0",
         "requests"