diff --git a/Project.toml b/Project.toml
index 651b150..434c4f7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ Turing = "fce5fe82-541a-59a6-adf8-730c64b5f9a0"
 [compat]
 DataFrames = "1"
 Distributions = "0.25"
-Documenter = "0.27"
+Documenter = "0.27, 1"
 GLM = "1"
 NLSolversBase = "7"
 Optim = "1"