diff --git a/package.json b/package.json
index 3150907256..27aa9d3f14 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
         "husky": "^8.0.1",
         "lerna": "^7.0.0",
         "lint-staged": "^14.0.1",
-        "prettier": "^2.4.1"
+        "prettier": "^3.1.0"
     },
     "dependencies": {
         "cypress-file-upload": "^5.0.8",
diff --git a/services/app-api/package.json b/services/app-api/package.json
index 02544ba272..f3332786f1 100644
--- a/services/app-api/package.json
+++ b/services/app-api/package.json
@@ -83,7 +83,7 @@
         "graphql-tag": "^2.12.5",
         "jest": "^29.6.2",
         "lint-staged": "^14.0.1",
-        "prettier": "^2.4.1",
+        "prettier": "^3.1.0",
         "prisma": "^4.6",
         "serverless": "^3.27.0",
         "serverless-associate-waf": "^1.2.1",
diff --git a/services/app-web/package.json b/services/app-web/package.json
index fd1c0fcc71..27d7d806ed 100644
--- a/services/app-web/package.json
+++ b/services/app-web/package.json
@@ -153,7 +153,7 @@
         "graphql.macro": "^1.4.2",
         "jest-launchdarkly-mock": "^2.1.0",
         "lint-staged": "^14.0.1",
-        "prettier": "^2.3.2",
+        "prettier": "^3.1.0",
         "react-scripts": "5.0.1",
         "react-select-event": "^5.5.0",
         "react-test-renderer": "^18.2.0",
diff --git a/services/cypress/package.json b/services/cypress/package.json
index c226dc22ed..60b0e08c4b 100644
--- a/services/cypress/package.json
+++ b/services/cypress/package.json
@@ -41,7 +41,7 @@
     "devDependencies": {
         "husky": "^8.0.1",
         "lint-staged": "^14.0.1",
-        "prettier": "^2.4.1"
+        "prettier": "^3.1.0"
     },
     "dependencies": {
         "@apollo/client": "^3.4.15",
diff --git a/services/ui-auth/package.json b/services/ui-auth/package.json
index 02061e864e..9b23dd777c 100644
--- a/services/ui-auth/package.json
+++ b/services/ui-auth/package.json
@@ -8,7 +8,7 @@
     "author": "",
     "license": "CC0-1.0",
     "devDependencies": {
-        "prettier": "^2.2.1",
+        "prettier": "^3.1.0",
         "serverless-iam-helper": "CMSgov/serverless-iam-helper",
         "serverless-stack-termination-protection": "^2.0.2",
         "serverless-s3-bucket-helper": "CMSgov/serverless-s3-bucket-helper"
diff --git a/yarn.lock b/yarn.lock
index 96fa18f943..48472f3ef6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -30329,10 +30329,10 @@ prettier-linter-helpers@^1.0.0:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.3.0.tgz#b6a5bf1284026ae640f17f7ff5658a7567fc0d18"
   integrity sha512-kXtO4s0Lz/DW/IJ9QdWhAf7/NmPWQXkFr/r/WkR3vyI+0v8amTDxiaQSLzs8NBlytfLWX/7uQUMIW677yLKl4w==
 
-prettier@^2.2.1, prettier@^2.3.2, prettier@^2.4.1:
-  version "2.8.7"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.7.tgz#bb79fc8729308549d28fe3a98fce73d2c0656450"
-  integrity sha512-yPngTo3aXUUmyuTjeTUT75txrf+aMh9FiD7q9ZE/i6r0bPb22g4FsE6Y338PQX1bmfy08i9QQCB7/rcUAVntfw==
+prettier@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.1.0.tgz#c6d16474a5f764ea1a4a373c593b779697744d5e"
+  integrity sha512-TQLvXjq5IAibjh8EpBIkNKxO749UEWABoiIZehEPiY4GNpVdhaFKqSTu+QrlU6D2dPAfubRmtJTi4K4YkQ5eXw==
 
 pretty-bytes@^5.3.0, pretty-bytes@^5.4.1, pretty-bytes@^5.6.0:
   version "5.6.0"