diff --git a/requirements_opacity_api.txt b/requirements_opacity_api.txt
index 4563853..120c354 100644
--- a/requirements_opacity_api.txt
+++ b/requirements_opacity_api.txt
@@ -17,7 +17,7 @@ eth-keys==0.2.4
 eth-rlp==0.1.2
 eth-typing==2.2.1
 eth-utils==1.8.4
-fastecdsa==2.1.0
+fastecdsa==2.1.2
 hexbytes==0.2.0
 idna==2.9
 importlib-metadata==1.6.0