diff --git a/lib/ControlSystemsBase/Project.toml b/lib/ControlSystemsBase/Project.toml
index 9cc72f056..d0ff43a9e 100644
--- a/lib/ControlSystemsBase/Project.toml
+++ b/lib/ControlSystemsBase/Project.toml
@@ -32,7 +32,7 @@ Aqua = "0.5"
 ComponentArrays = "0.15"
 DSP = "0.6.1, 0.7, 0.8"
 ForwardDiff = "0.10, 1.0"
-ImplicitDifferentiation = "0.7.2"
+ImplicitDifferentiation = "0.7.2, 0.8"
 LinearAlgebra = "<0.0.1, 1"
 MacroTools = "0.5"
 MatrixEquations = "1, 2.1"