diff --git a/docs/Project.toml b/docs/Project.toml
index 820b0b7..9d4f534 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -10,7 +10,7 @@ StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 [compat]
 DataInterpolations = "4, 5, 6, 7, 8"
 Documenter = "1"
-FindFirstFunctions = "1.4.2"
+FindFirstFunctions = "1.4.2, 2.0"
 Optim = "1, 2.0"
 Plots = "1"
 RegularizationTools = "0.6"