diff --git a/Project.toml b/Project.toml
index b19725f..105c68f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -6,8 +6,8 @@ version = "0.1.0"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 
 [compat]
+ChainRulesCore = "0.9, 0.10"
 julia = "1"
-ChainRulesCore = "0.9"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"