diff --git a/docs/Project.toml b/docs/Project.toml
index 4bf4fa54..f87789bf 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -7,7 +7,7 @@ PyCall = "438e738f-606a-5dbb-bf0a-cddfbfd45ab0"
 
 [compat]
 Conda = "1.8"
-Documenter = "0.27"
+Documenter = "1"
 Gumbo = "0.8"
 Pluto = "0.19"
 PyCall = "1.95"
diff --git a/docs/make.jl b/docs/make.jl
index 47f30826..9754e790 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -72,7 +72,7 @@ pages = [
 # build documents
 makedocs(
     format = format,
-    strict=false,
+    warnonly=true,
     sitename = "PowerModelsONM",
     authors = "David M Fobes and contributors",
     pages = pages