diff --git a/setup.py b/setup.py
index 4903cfe..f403978 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ REQUIRED = [
     "setuptools~=49.1.2",
     "toml~=0.10.1",
     "attrs~=19.3.0",
-    "cattrs~=1.0.0",
+    "cattrs~=1.7",
     "canonicaljson~=1.2.0",
     "immutabledict==1.0.0",
 ]