diff --git a/package.json b/package.json
index 8fae2aaf..5163c49f 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "flow-bin": "0.84.0",
     "graphql-request": "1.8.2",
     "lint-staged": "12.5.0",
-    "prettier": "2.6.2"
+    "prettier": "3.4.0"
   },
   "homepage": "https://github.com/nteract/nteract.io#readme",
   "license": "BSD-3-Clause",
diff --git a/yarn.lock b/yarn.lock
index 7cdb443c..b5a1ef08 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2175,10 +2175,10 @@ postcss@8.4.31:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-prettier@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.6.2.tgz#e26d71a18a74c3d0f0597f55f01fb6c06c206032"
-  integrity sha512-PkUpF+qoXTqhOeWL9fu7As8LXsIUZ1WYaJiY/a7McAQzxjk82OF0tibkFXVCDImZtWxbvojFjerkiLb0/q8mew==
+prettier@3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.0.tgz#9dcd5e617cf103db8e4bd00924baecfd32bf9971"
+  integrity sha512-/OXNZcLyWkfo13ofOW5M7SLh+k5pnIs07owXK2teFpnfaOEcycnSy7HQxldaVX1ZP/7Q8oO1eDuQJNwbomQq5Q==
 
 prismjs@^1.8.4:
   version "1.29.0"