diff --git a/test/Project.toml b/test/Project.toml
index 7ef690d1d..a8a9e9928 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -25,7 +25,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 AxisArrays = "0.4.3"
 Compat = "3, 4"
 Distances = "0.10"
-Documenter = "0.25, 0.26, 0.27"
+Documenter = "0.25, 0.26, 0.27, 1"
 FiniteDifferences = "0.10.8, 0.11, 0.12"
 ForwardDiff = "0.10"
 Functors = "0.2, 0.3, 0.4"