diff --git a/docs/Project.toml b/docs/Project.toml
index b227509..7053304 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -3,4 +3,4 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 Primes = "27ebfcd6-29c5-5fa9-bf4b-fb8fc14df3ae"
 
 [compat]
-Documenter = "~1.0"
+Documenter = "1.0"