diff --git a/setup.py b/setup.py
index ef703729..00f9be63 100644
--- a/setup.py
+++ b/setup.py
@@ -85,5 +85,5 @@ setup(
     packages=find_packages(exclude=["compiler*"]),
     zip_safe=False,
     install_requires=read("requirements.txt"),
-    extras_require={"tgcrypto": read("requirements_extras.txt")}
+    extras_require={"tgcrypto": ["tgcrypto>=1.0.4"]}
 )