diff --git a/Project.toml b/Project.toml
index 9a091bdf..72c90ff6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,6 +15,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Sundials_jll = "fb77eaff-e24c-56d4-86b1-d163f2edb164"
 
 [compat]
+CEnum = "0.2"
 DataStructures = "0.17.0"
 DiffEqBase = "6"
 Reexport = "0.2"
@@ -22,9 +23,9 @@ Sundials_jll = "5.2"
 julia = "1.3"
 
 [extras]
+DiffEqOperators = "9fdde737-9c7f-55bf-ade8-46b3f136cc48"
 DiffEqProblemLibrary = "a077e3f3-b75c-5d7f-a0c6-6bc4c8ec64a9"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
-DiffEqOperators = "9fdde737-9c7f-55bf-ade8-46b3f136cc48"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]