diff --git a/docs/Project.toml b/docs/Project.toml
index fa57f2c1c..a95a45ae2 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -18,7 +18,7 @@ Distributions = "0.25"
 Documenter = "1"
 DocumenterMermaid = "0.1, 0.2"
 FillArrays = "0.13, 1"
-ForwardDiff = "0.10"
+ForwardDiff = "0.10, 1"
 JET = "0.9"
 LogDensityProblems = "2"
 MCMCChains = "5, 6"