diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0610c55..c2227cf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ on:
 
 jobs:
   test:
-    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v3
+    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v5.0.0
     with:
       lint: true
       license-check: true
diff --git a/.npmrc b/.npmrc
index 43c97e7..4fd15ed 100644
--- a/.npmrc
+++ b/.npmrc
@@ -1 +1,2 @@
 package-lock=false
+legacy-peer-deps=true
diff --git a/package.json b/package.json
index 0174cb9..1c1046f 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "postversion": "git push && git push --tags"
   },
   "devDependencies": {
-    "@fastify/multipart": "8.3.0",
+    "@fastify/multipart": "^9.0.0",
     "@fastify/pre-commit": "^2.1.0",
     "@h4ad/serverless-adapter": "4.2.1",
     "@types/aws-lambda": "8.10.145",
@@ -53,16 +53,11 @@
     "eslint-plugin-n": "^16.6.2",
     "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-standard": "^5.0.0",
-    "fastify": "^4.26.0",
+    "fastify": "^5.0.0-alpha.4",
     "serverless-http": "^3.2.0",
     "tap": "^16.3.9",
     "tsd": "^0.31.0"
   },
-  "overrides": {
-    "aws-serverless-fastify": {
-      "fastify": "^4.26.0"
-    }
-  },
   "publishConfig": {
     "access": "public"
   },