diff --git a/version-helper/Cargo.toml b/version-helper/Cargo.toml
index c22e5426..bfd01bf4 100644
--- a/version-helper/Cargo.toml
+++ b/version-helper/Cargo.toml
@@ -14,4 +14,4 @@ rust-version = "1.69"
 
 [dependencies]
 chrono = { version = "0.4.23", default-features = false, features = ["std", "clock"] }
-toml_edit = { version = "0.22", default-features = false, features = ["parse"] }
+toml_edit = { version = "0.22.8", default-features = false, features = ["parse"] }
diff --git a/version-helper/src/lib.rs b/version-helper/src/lib.rs
index 4764ddb6..aebb45da 100644
--- a/version-helper/src/lib.rs
+++ b/version-helper/src/lib.rs
@@ -95,7 +95,7 @@ fn cargo_metadata_release_date(crate_dir: &path::Path) -> Option<chrono::DateTim
     let mut contents = String::new();
     file.read_to_string(&mut contents).ok()?;
 
-    let doc = contents.parse::<toml_edit::Document>().ok()?;
+    let doc = contents.parse::<toml_edit::DocumentMut>().ok()?;
     let release_date = doc
         .get("package")
         .and_then(|package| package.as_table_like())