diff --git a/package-lock.json b/package-lock.json
index 5a8e42449a..a1b19cd87f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6466,9 +6466,9 @@
       "license": "Apache 2"
     },
     "node_modules/@netlify/blobs": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@netlify/blobs/-/blobs-7.4.0.tgz",
-      "integrity": "sha512-7rdPzo8bggt3D2CVO+U1rmEtxxs8X7cLusDbHZRJaMlxqxBD05mXgThj5DUJMFOvmfVjhEH/S/3AyiLUbDQGDg==",
+      "version": "8.1.1",
+      "resolved": "https://registry.npmjs.org/@netlify/blobs/-/blobs-8.1.1.tgz",
+      "integrity": "sha512-7Dg3PzArvQ0Owq4wpkLECC9iaDBOxuWUN2uwbQtUF6tZssyez2QN+eO0CjuIhhZUivbw+X9bwsyiEjWkdJnv/A==",
       "license": "MIT",
       "engines": {
         "node": "^14.16.0 || >=16.0.0"
@@ -27907,7 +27907,7 @@
       "license": "MIT",
       "dependencies": {
         "@bugsnag/js": "^7.0.0",
-        "@netlify/blobs": "^7.4.0",
+        "@netlify/blobs": "^8.1.1",
         "@netlify/cache-utils": "^5.2.0",
         "@netlify/config": "^21.0.3",
         "@netlify/edge-bundler": "12.3.3",
diff --git a/packages/build/package.json b/packages/build/package.json
index ca5d6e31f6..6f4a4bfd80 100644
--- a/packages/build/package.json
+++ b/packages/build/package.json
@@ -67,7 +67,7 @@
   "license": "MIT",
   "dependencies": {
     "@bugsnag/js": "^7.0.0",
-    "@netlify/blobs": "^7.4.0",
+    "@netlify/blobs": "^8.1.1",
     "@netlify/cache-utils": "^5.2.0",
     "@netlify/config": "^21.0.3",
     "@netlify/edge-bundler": "12.3.3",
diff --git a/packages/build/src/plugins_core/blobs_upload/index.ts b/packages/build/src/plugins_core/blobs_upload/index.ts
index 7ee7596146..c453a5eece 100644
--- a/packages/build/src/plugins_core/blobs_upload/index.ts
+++ b/packages/build/src/plugins_core/blobs_upload/index.ts
@@ -50,8 +50,8 @@ const coreStep: CoreStepFunction = async function ({
   // If using the deploy config API or the Frameworks API, configure the store
   // to use the region that was configured for the deploy. We don't do it for
   // the legacy file-based upload API since that would be a breaking change.
-  if (blobs.apiVersion > 1) {
-    storeOpts.experimentalRegion = 'auto'
+  if (blobs.apiVersion === 1) {
+    storeOpts.region = 'us-east-2'
   }
 
   const blobStore = getDeployStore(storeOpts)
diff --git a/packages/build/src/plugins_core/dev_blobs_upload/index.ts b/packages/build/src/plugins_core/dev_blobs_upload/index.ts
index 2b7a645067..83de5b4168 100644
--- a/packages/build/src/plugins_core/dev_blobs_upload/index.ts
+++ b/packages/build/src/plugins_core/dev_blobs_upload/index.ts
@@ -51,8 +51,8 @@ const coreStep: CoreStepFunction = async function ({
   // If using the deploy config API or the Frameworks API, configure the store
   // to use the region that was configured for the deploy. We don't do it for
   // the legacy file-based upload API since that would be a breaking change.
-  if (blobs.apiVersion > 1) {
-    storeOpts.experimentalRegion = 'auto'
+  if (blobs.apiVersion === 1) {
+    storeOpts.region = 'us-east-2'
   }
 
   const blobStore = getDeployStore(storeOpts)
diff --git a/packages/build/tests/blobs_upload/tests.js b/packages/build/tests/blobs_upload/tests.js
index 16d1325d17..d4d95d776a 100644
--- a/packages/build/tests/blobs_upload/tests.js
+++ b/packages/build/tests/blobs_upload/tests.js
@@ -87,13 +87,13 @@ test.serial('Blobs upload step uploads files to deploy store (legacy API)', asyn
   t.true(success)
   t.is(t.context.blobRequests.set.length, 6)
 
-  const regionRequests = t.context.blobRequests.set.filter((urlPath) => {
+  const defaultRegionRequests = t.context.blobRequests.set.filter((urlPath) => {
     const url = new URL(urlPath, 'http://localhost')
 
-    return url.searchParams.has('region')
+    return url.searchParams.get('region') === 'us-east-2'
   })
 
-  t.is(regionRequests.length, 0)
+  t.is(defaultRegionRequests.length, 3)
 
   const storeOpts = { deployID: 'abc123', siteID: 'test', token: TOKEN }
   if (semver.lt(nodeVersion, '18.0.0')) {
@@ -125,13 +125,13 @@ test.serial('Blobs upload step uploads files to deploy store (legacy deploy conf
   t.true(success)
   t.is(t.context.blobRequests.set.length, 6)
 
-  const regionRequests = t.context.blobRequests.set.filter((urlPath) => {
+  const regionAutoRequests = t.context.blobRequests.set.filter((urlPath) => {
     const url = new URL(urlPath, 'http://localhost')
 
-    return url.searchParams.has('region')
+    return url.searchParams.get('region') === 'auto'
   })
 
-  t.is(regionRequests.length, 3)
+  t.is(regionAutoRequests.length, 3)
 
   const storeOpts = { deployID: 'abc123', siteID: 'test', token: TOKEN }
   if (semver.lt(nodeVersion, '18.0.0')) {