diff --git a/autorust/Cargo.lock b/autorust/Cargo.lock
index 638f9c71..511afe3e 100644
--- a/autorust/Cargo.lock
+++ b/autorust/Cargo.lock
@@ -607,9 +607,9 @@ checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
 
 [[package]]
 name = "comrak"
-version = "0.39.1"
+version = "0.40.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fefab951771fc3beeed0773ce66a4f7b706273fc6c4c95b08dd1615744abcf5"
+checksum = "32c3278f396e5707769a68bc0943e9b8f84a172836b173827810918279621747"
 dependencies = [
  "bon",
  "caseless",
diff --git a/autorust/codegen/Cargo.toml b/autorust/codegen/Cargo.toml
index 697afd69..64a1ab9f 100644
--- a/autorust/codegen/Cargo.toml
+++ b/autorust/codegen/Cargo.toml
@@ -17,7 +17,7 @@ heck = "0.5"
 regex = "1"
 indexmap = { version = "2", features = ["serde"] }
 path_abs = "0.5"
-comrak = "0.39"
+comrak = "0.40"
 serde = "1"
 http-types = "2"
 once_cell = "1"