diff --git a/Project.toml b/Project.toml
index 28850f04bf..9b3a249068 100644
--- a/Project.toml
+++ b/Project.toml
@@ -119,7 +119,7 @@ ForwardDiff = "0.10.3, 1"
 FunctionWrappers = "1.1"
 FunctionWrappersWrappers = "0.1"
 Graphs = "1.5.2"
-ImplicitDiscreteSolve = "0.1.2"
+ImplicitDiscreteSolve = "0.1.2, 1"
 InfiniteOpt = "0.5"
 InteractiveUtils = "1"
 JuliaFormatter = "1.0.47, 2"