diff --git a/docs/Project.toml b/docs/Project.toml
index f100b5c..8498d31 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -5,5 +5,5 @@ ImageIO = "82e4d734-157c-48bb-816b-45c225c6df19"
 PNGFiles = "f57f5aa1-a3ce-4bc8-8ab9-96f992907883"
 
 [compat]
-Documenter = "0.26"
+Documenter = "1"
 HTTP = "0.9"
diff --git a/docs/make.jl b/docs/make.jl
index b340552..7fcb067 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -15,6 +15,7 @@ makedocs(
         "world_age_issue.md",
         "reference.md",
     ],
+    checkdocs = :exports,
 )
 
 deploydocs(