diff --git a/swift/third_party/load.bzl b/swift/third_party/load.bzl
index 676c5f0ce847..30d335dc044b 100644
--- a/swift/third_party/load.bzl
+++ b/swift/third_party/load.bzl
@@ -6,6 +6,10 @@ load("//misc/bazel:lfs.bzl", "lfs_archive", "lfs_files")
 
 _override = {
     # these are used to test new artifacts. Must be empty before merging to main
+    "swift-prebuilt-macOS-swift-6.3.3-RELEASE-225.tar.zst": "f5fddabc442a5c7664be4f022f09889177f420477060c1199eb714394987ad93",
+    "swift-prebuilt-Linux-swift-6.3.3-RELEASE-225.tar.zst": "e79d3f333cbbbeb39c226f5ea605f6a88f4f32f83e38b8c0a082d18d9caf095d",
+    "resource-dir-macOS-swift-6.3.3-RELEASE-221.zip": "da5cbdd44ee4728606f2dc0dd0718e3c7c8748ae1ec8d6261365282d54ba8db9",
+    "resource-dir-Linux-swift-6.3.3-RELEASE-221.zip": "68da3c1158d6682f09644e4557b7bdbe74e3e7110d1a64cb61ec26b3a91d0b0e",
 }
 
 _staging_url = "https://github.com/dsp-testing/codeql-swift-artifacts/releases/download/staging-{}/{}"