diff --git a/docs/Project.toml b/docs/Project.toml
index 8dc25a3b1..a19ebe954 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -18,7 +18,7 @@ ADTypes = "1"
 AdvancedVI = "0.3"
 Bijectors = "0.13.6"
 Distributions = "0.25"
-Documenter = "0.26, 0.27"
+Documenter = "0.26, 0.27, 1"
 FillArrays = "1"
 ForwardDiff = "0.10"
 LogDensityProblems = "2.1.1"