diff --git a/mise.toml b/mise.toml
index f6a62b8..b912757 100644
--- a/mise.toml
+++ b/mise.toml
@@ -2,7 +2,7 @@
 go = "1.25.4"
 golangci-lint = "2.6.2"
 goreleaser = "v2.9.0"
-mdbook = "v0.4.52" # renovate: datasource=github-releases depName=rust-lang/mdbook
+mdbook = "v0.5.0" # renovate: datasource=github-releases depName=rust-lang/mdbook
 ko = "v0.18.0" # renovate: datasource=github-releases depName=ko-build/ko
 
 [settings]