diff --git a/docs/make.jl b/docs/make.jl
index 9d75a24..de5e7a5 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -5,6 +5,7 @@ using BoxCox
 makedocs(; root=joinpath(dirname(pathof(BoxCox)), "..", "docs"),
          sitename="BoxCox",
          doctest=true,
+         strict=true,
          pages=["index.md", "api.md"])
 
 deploydocs(; repo="github.com/palday/BoxCox.jl", push_preview=true, devbranch="main")