diff --git a/build/ext_mapping.conf.json b/build/ext_mapping.conf.json
index 3e28714c7c9..44df0a680b1 100644
--- a/build/ext_mapping.conf.json
+++ b/build/ext_mapping.conf.json
@@ -1,24 +1,24 @@
 {
     "bottles": {},
     "resources": {
-        "4081472014": "https://storage.nemax.nebius.cloud/nbs-oss-resources/short.log",
-        "5074323334": "https://storage.nemax.nebius.cloud/nbs-oss-resources/rootfs-compressed.img",
-        "4399070549": "https://storage.nemax.nebius.cloud/nbs-oss-resources/blockstore-plugin-stable-23-1.tar.gz",
-        "3240550068": "https://storage.nemax.nebius.cloud/nbs-oss-resources/blockstore-plugin-stable-22-2.tar.gz",
-        "2326530962": "https://storage.nemax.nebius.cloud/nbs-oss-resources/fio-static.tgz",
-        "4449551218": "https://storage.nemax.nebius.cloud/nbs-oss-resources/qemu-static.tgz",
-        "3307630510": "https://storage.nemax.nebius.cloud/nbs-oss-resources/rootfs.img",
-        "4556399018": "https://storage.nemax.nebius.cloud/nbs-oss-resources/virtiofs-server",
-        "2513045473": "https://storage.nemax.nebius.cloud/nbs-oss-resources/flock",
-        "2951476475": "https://storage.ai.nebius.cloud/nbs-oss-resources/ubuntu-18.04-minimal-cloudimg-amd64.img",
-        "3064742393": "https://storage.ai.nebius.cloud/nbs-oss-resources/ubuntu1604-ci-stable",
-        "4709742882": "https://storage.ai.nebius.cloud/nbs-oss-resources/ubuntu-22.04-jammy-server-cloudimg-amd64.vmdk",
-        "4915490540": "https://storage.ai.nebius.cloud/nbs-oss-resources/root.squashfs",
-        "1268336763": "https://storage.ai.nebius.cloud/nbs-oss-resources/1268336763.rootfs.squashfs",
-        "5734000725": "https://storage.ai.nebius.cloud/nbs-oss-resources/ydbd-2.4.2.7.tar.gz",
-        "5922914799": "https://storage.ai.nebius.cloud/nbs-oss-resources/windows-vmdk-stream-optimised-multiple-grains.vmdk",
+        "4081472014": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/short.log",
+        "5074323334": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/rootfs-compressed.img",
+        "4399070549": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/blockstore-plugin-stable-23-1.tar.gz",
+        "3240550068": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/blockstore-plugin-stable-22-2.tar.gz",
+        "2326530962": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/fio-static.tgz",
+        "4449551218": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/qemu-static.tgz",
+        "3307630510": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/rootfs.img",
+        "4556399018": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/virtiofs-server",
+        "2513045473": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/flock",
+        "2951476475": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/ubuntu-18.04-minimal-cloudimg-amd64.img",
+        "3064742393": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/ubuntu1604-ci-stable",
+        "4709742882": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/ubuntu-22.04-jammy-server-cloudimg-amd64.vmdk",
+        "4915490540": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/root.squashfs",
+        "1268336763": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/1268336763.rootfs.squashfs",
+        "5734000725": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/ydbd-2.4.2.7.tar.gz",
+        "5922914799": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/windows-vmdk-stream-optimised-multiple-grains.vmdk",
         "6318551696": "https://storage.yandexcloud.net/barkovbg-s3/ubuntu1604-ci-stable",
-        "9413258143": "https://storage.ai.nebius.cloud/nbs-oss-resources/csi-sanity"
+        "9413258143": "https://storage.eu-north1.nebius.cloud/nbs-oss-resources/csi-sanity"
     },
     "resources_descriptions": {
         "4081472014": "cloud/blockstore/tests/loadtest/selftest",