diff --git a/setup.cfg b/setup.cfg
index aee6caa3ed..174e14be83 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -105,7 +105,7 @@ package_dir =
 python_requires = >=3.8
 install_requires =
     pycryptodome>=3,<4
-    coincurve>=17,<18
+    coincurve>=18,<19
     typing_extensions>=4
 
 [options.package_data]