diff --git a/CHANGELOG.md b/CHANGELOG.md
index e916e3f2f..409e150cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## Unreleased
 
-# v0.27.0 (2024-11-27)
+## v0.27.0 (2024-11-27)
 
 ### Breaking Changes
 
diff --git a/scripts/create_release.js b/scripts/create_release.js
index 3d9800fed..c1b660a2b 100644
--- a/scripts/create_release.js
+++ b/scripts/create_release.js
@@ -83,8 +83,7 @@ async function main() {
 
     console.log("Updating changelog...");
     let fullChangelog = await readFile(CHANGELOG_MD, "utf-8");
-    const heading = patch === "0" ? "#" : "##";
-    let start = fullChangelog.indexOf(`${heading} ${currentVersion}`);
+    let start = fullChangelog.indexOf(`## ${currentVersion}`);
 
     // If this version isn't in the changelog yet, take everything under ## Unreleased and include that
     // as this version.
@@ -104,9 +103,9 @@ async function main() {
         ].join("-");
         fullChangelog =
             "## Unreleased\n\n" +
-            `${heading} ${currentVersion} (${dateStr})` +
+            `## ${currentVersion} (${dateStr})` +
             fullChangelog.substring(start);
-        start = fullChangelog.indexOf(`${heading} ${currentVersion}`);
+        start = fullChangelog.indexOf(`## ${currentVersion}`);
 
         await writeFile(CHANGELOG_MD, fullChangelog);
         await exec(`git add "${CHANGELOG_MD}"`);