diff --git a/docs/Project.toml b/docs/Project.toml
index 336c55c88..c00c29c96 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -22,7 +22,7 @@ Documenter = "1"
 DocumenterMermaid = "0.1, 0.2"
 DynamicPPL = "0.36"
 FillArrays = "0.13, 1"
-ForwardDiff = "0.10"
+ForwardDiff = "0.10, 1"
 JET = "0.9, 0.10"
 LogDensityProblems = "2"
 MCMCChains = "5, 6, 7"