diff --git a/packages/core/package.json b/packages/core/package.json
index 477c98ac..7e382824 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -31,7 +31,7 @@
   },
   "homepage": "https://strudel.cc",
   "dependencies": {
-    "fraction.js": "^4.2.0"
+    "fraction.js": "^4.3.7"
   },
   "gitHead": "0e26d4e741500f5bae35b023608f062a794905c2",
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0e2460be..b0c83962 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -201,8 +201,8 @@ importers:
   packages/core:
     dependencies:
       fraction.js:
-        specifier: ^4.2.0
-        version: 4.2.0
+        specifier: ^4.3.7
+        version: 4.3.7
     devDependencies:
       vite:
         specifier: ^5.0.10
@@ -589,9 +589,6 @@ importers:
       claviature:
         specifier: ^0.1.0
         version: 0.1.0
-      fraction.js:
-        specifier: ^4.2.0
-        version: 4.2.0
       nanoid:
         specifier: ^5.0.4
         version: 5.0.4
@@ -7144,10 +7141,6 @@ packages:
       fetch-blob: 3.2.0
     dev: true
 
-  /fraction.js@4.2.0:
-    resolution: {integrity: sha512-MhLuK+2gUcnZe8ZHlaaINnQLl0xRIGRfcGk2yl8xoQAfHrSsL3rYu6FCmBdkdbhc9EPlwyGHewaRsvwRMJtAlA==}
-    dev: false
-
   /fraction.js@4.3.7:
     resolution: {integrity: sha512-ZsDfxO51wGAXREY55a7la9LScWpwv9RxIrYABrlvOFBlH/ShPnrtsXeuUIfXKKOVicNxQ+o8JTbJvjS4M89yew==}
     dev: false
diff --git a/website/package.json b/website/package.json
index 5aa380c5..fccbfbf8 100644
--- a/website/package.json
+++ b/website/package.json
@@ -48,7 +48,6 @@
     "astro": "^4.0.8",
     "canvas": "^2.11.2",
     "claviature": "^0.1.0",
-    "fraction.js": "^4.2.0",
     "nanoid": "^5.0.4",
     "nanostores": "^0.9.5",
     "react": "^18.2.0",