diff --git a/packages/build-info/package.json b/packages/build-info/package.json
index 15765abc67..4713385fb7 100644
--- a/packages/build-info/package.json
+++ b/packages/build-info/package.json
@@ -64,7 +64,7 @@
     "execa": "^8.0.0",
     "memfs": "^4.0.0",
     "unionfs": "^4.4.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/build/package.json b/packages/build/package.json
index 70e0c4713d..299d2fd13d 100644
--- a/packages/build/package.json
+++ b/packages/build/package.json
@@ -118,7 +118,7 @@
     "micro-memoize": "^5.1.1",
     "tmp-promise": "^3.0.2",
     "tsd": "^0.33.0",
-    "vitest": "^3.0.0",
+    "vitest": "^5.0.0",
     "yarn": "^1.22.22"
   },
   "peerDependencies": {
diff --git a/packages/cache-utils/package.json b/packages/cache-utils/package.json
index ef7950d3a2..e1bb47394f 100644
--- a/packages/cache-utils/package.json
+++ b/packages/cache-utils/package.json
@@ -54,7 +54,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/config/package.json b/packages/config/package.json
index 39eeac2ff8..840d8e6367 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -87,7 +87,7 @@
     "ajv": "^8.20.0",
     "has-ansi": "^6.0.0",
     "is-ci": "^4.0.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/edge-bundler/package.json b/packages/edge-bundler/package.json
index 616509ee72..c354d395be 100644
--- a/packages/edge-bundler/package.json
+++ b/packages/edge-bundler/package.json
@@ -54,7 +54,7 @@
     "get-port": "^7.0.0",
     "nock": "^14.0.0",
     "npm-run-all2": "^6.0.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/functions-utils/package.json b/packages/functions-utils/package.json
index 97fa14879b..c6bb733cdd 100644
--- a/packages/functions-utils/package.json
+++ b/packages/functions-utils/package.json
@@ -55,7 +55,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/git-utils/package.json b/packages/git-utils/package.json
index 321e8a9e82..7e93bae354 100644
--- a/packages/git-utils/package.json
+++ b/packages/git-utils/package.json
@@ -56,7 +56,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/headers-parser/package.json b/packages/headers-parser/package.json
index 6a8c3ee323..d247270028 100644
--- a/packages/headers-parser/package.json
+++ b/packages/headers-parser/package.json
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "repository": {
     "type": "git",
diff --git a/packages/js-client/package.json b/packages/js-client/package.json
index c9a6bf1cbf..fa919a89a6 100644
--- a/packages/js-client/package.json
+++ b/packages/js-client/package.json
@@ -48,7 +48,7 @@
   "devDependencies": {
     "@types/node": "^22.12.0",
     "nock": "^13.0.0",
-    "vitest": "^3.2.3"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/nock-udp/package.json b/packages/nock-udp/package.json
index 0f88ccef29..1068644b92 100644
--- a/packages/nock-udp/package.json
+++ b/packages/nock-udp/package.json
@@ -29,7 +29,7 @@
   "author": "Netlify Inc.",
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/opentelemetry-sdk-setup/package.json b/packages/opentelemetry-sdk-setup/package.json
index 7695275582..0fb510371c 100644
--- a/packages/opentelemetry-sdk-setup/package.json
+++ b/packages/opentelemetry-sdk-setup/package.json
@@ -47,7 +47,7 @@
     "@opentelemetry/api": "~1.9.0",
     "@types/node": "^22.12.0",
     "@vitest/ui": "^3.0.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/opentelemetry-utils/package.json b/packages/opentelemetry-utils/package.json
index 8b59f41ad0..0ac8aec8f1 100644
--- a/packages/opentelemetry-utils/package.json
+++ b/packages/opentelemetry-utils/package.json
@@ -35,7 +35,7 @@
     "@opentelemetry/sdk-trace-node": "~2.12.0",
     "@types/node": "^22.12.0",
     "@vitest/ui": "^3.0.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/redirect-parser/package.json b/packages/redirect-parser/package.json
index 9557118522..2c80690c6d 100644
--- a/packages/redirect-parser/package.json
+++ b/packages/redirect-parser/package.json
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "repository": {
     "type": "git",
diff --git a/packages/run-utils/package.json b/packages/run-utils/package.json
index aed89e3453..1e9a2874b7 100644
--- a/packages/run-utils/package.json
+++ b/packages/run-utils/package.json
@@ -54,7 +54,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.12.0",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"
diff --git a/packages/zip-it-and-ship-it/package.json b/packages/zip-it-and-ship-it/package.json
index 1d7d7ad38d..0f8c1d2d40 100644
--- a/packages/zip-it-and-ship-it/package.json
+++ b/packages/zip-it-and-ship-it/package.json
@@ -94,7 +94,7 @@
     "is-ci": "4.1.0",
     "lambda-local": "2.2.0",
     "source-map-support": "0.5.21",
-    "vitest": "^3.0.0"
+    "vitest": "^5.0.0"
   },
   "engines": {
     "node": ">=22.12.0"