diff --git a/CHANGES.md b/CHANGES.md
index 484268f..d32eee6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,9 @@
 
 ## CHANGES
 
+v2.3.15
+- Fidelity: Update to wabac.js 2.23.7 for fidelity improvements (including global class declaration hoisting)
+
 v2.3.14
 - Loading: Make hash check optional, don't requires wasm to load (via wabac.js 2.23.4)
 
diff --git a/package.json b/package.json
index 9bf0b5e..b6bc655 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "replaywebpage",
   "productName": "ReplayWeb.page",
-  "version": "2.3.14",
+  "version": "2.3.15",
   "description": "Serverless Web Archive Replay",
   "repository": "https://github.com/webrecorder/replayweb.page",
   "homepage": "https://replayweb.page/",
@@ -22,7 +22,7 @@
   "dependencies": {
     "@fortawesome/fontawesome-free": "^5.15.4",
     "@shoelace-style/shoelace": "~2.15.1",
-    "@webrecorder/wabac": "^2.23.4",
+    "@webrecorder/wabac": "^2.23.7",
     "bulma": "^0.9.3",
     "electron-log": "^4.4.1",
     "electron-updater": "^6.6.2",
diff --git a/yarn.lock b/yarn.lock
index 44cef5c..bbb4453 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1112,10 +1112,10 @@
   resolved "https://registry.yarnpkg.com/@webpack-cli/serve/-/serve-2.0.5.tgz#325db42395cd49fe6c14057f9a900e427df8810e"
   integrity sha512-lqaoKnRYBdo1UgDX8uF24AfGMifWK19TxPmM5FHc2vAGxrJ/qtyUyFBWoY1tISZdelsQ5fBcOusifo5o5wSJxQ==
 
-"@webrecorder/wabac@^2.23.4":
-  version "2.23.4"
-  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.23.4.tgz#dd0467433e1eb2cb1da0f6de96f2b795ac07edf9"
-  integrity sha512-qsNeukuTVlBWHc86jGdXnXN25h+pzs13ix0pYHFu+PFSm3bhNOuxTzqn5fBd/GMjJnpQjeSDU0L1NloGUv4TTg==
+"@webrecorder/wabac@^2.23.7":
+  version "2.23.7"
+  resolved "https://registry.yarnpkg.com/@webrecorder/wabac/-/wabac-2.23.7.tgz#b8b1fc94774de773ebf927ede7b30855b734773d"
+  integrity sha512-tdWZe+ddg49+H5FSbNytVLHBNsNClTc9fjpbmALdF8usvdRV7JsKyGS8CWsIgBbJxdROfgdx8L0IAhRS5f055A==
   dependencies:
     "@peculiar/asn1-ecc" "^2.3.4"
     "@peculiar/asn1-schema" "^2.3.3"