diff --git a/Project.toml b/Project.toml
index 23d37c8..ff9fc4e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -7,8 +7,8 @@ version = "0.2.1"
 ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 ChainRulesOverloadGeneration = "f51149dc-2911-5acf-81fc-2076a2a81d4f"
-SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 SliceMap = "82cb661a-3f19-5665-9e27-df437c7e54c8"
+SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
@@ -16,6 +16,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 ChainRules = "1"
 ChainRulesCore = "1"
 ChainRulesOverloadGeneration = "0.1"
+SliceMap = "0.2"
 SpecialFunctions = "2"
 SymbolicUtils = "1"
 Zygote = "0.6.55"