diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 4af46d302ac6..df610a967025 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -32,7 +32,7 @@ jobs:
     if: github.repository_owner == 'github'
     strategy:
       matrix:
-        runner: [ubuntu-latest, macos-13-xlarge]
+        runner: [ubuntu-latest, macos-15-xlarge]
       fail-fast: false
     runs-on: ${{ matrix.runner }}
     steps:
diff --git a/swift/ql/lib/change-notes/2025-05-27-swift.6.1.1.md b/swift/ql/lib/change-notes/2025-05-27-swift.6.1.1.md
new file mode 100644
index 000000000000..19101e5b615b
--- /dev/null
+++ b/swift/ql/lib/change-notes/2025-05-27-swift.6.1.1.md
@@ -0,0 +1,5 @@
+
+---
+category: minorAnalysis
+---
+* Updated to allow analysis of Swift 6.1.1.
diff --git a/swift/third_party/resources/resource-dir-linux.zip b/swift/third_party/resources/resource-dir-linux.zip
index 8697b7c7afc5..e09b73863e59 100644
--- a/swift/third_party/resources/resource-dir-linux.zip
+++ b/swift/third_party/resources/resource-dir-linux.zip
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:874932f93c4ca6269ae3a9e9c841916b3fd88f65f5018eec8777a52dde56901d
-size 293646067
+oid sha256:1e00a730a93b85a5ba478590218e1f769792ec56501977cc72d941101c5c3657
+size 293644020
diff --git a/swift/third_party/resources/resource-dir-macos.zip b/swift/third_party/resources/resource-dir-macos.zip
index 95ffbc2e02ff..aaacc64a9e80 100644
--- a/swift/third_party/resources/resource-dir-macos.zip
+++ b/swift/third_party/resources/resource-dir-macos.zip
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:12bef89163486ac24d9ca00a5cc6ef3851b633e6fa63b7493c518e4d426e036c
-size 595744464
+oid sha256:84e34d6af45883fe6d0103c2f36bbff3069ac068e671cb62d0d01d16e087362d
+size 595760699
diff --git a/swift/third_party/resources/swift-prebuilt-linux.tar.zst b/swift/third_party/resources/swift-prebuilt-linux.tar.zst
index 03490187210c..206ea6adb4de 100644
--- a/swift/third_party/resources/swift-prebuilt-linux.tar.zst
+++ b/swift/third_party/resources/swift-prebuilt-linux.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d01b90bccfec46995bdf98a59339bd94e64257da99b4963148869c4a108bc2a9
-size 124360007
+oid sha256:31cba2387c7e1ce4e73743935b0db65ea69fccf5c07bd2b392fd6815f5dffca5
+size 124428345
diff --git a/swift/third_party/resources/swift-prebuilt-macos.tar.zst b/swift/third_party/resources/swift-prebuilt-macos.tar.zst
index 692a8b05dc3b..bcbc7aaf4129 100644
--- a/swift/third_party/resources/swift-prebuilt-macos.tar.zst
+++ b/swift/third_party/resources/swift-prebuilt-macos.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4dcfe858b5519327c9b0c99735b47fe75c7a5090793d917de1ba6e42795aa86d
-size 105011965
+oid sha256:2aaf6e7083c27a561d7212f88b3e15cbeb2bdf1d2363d310227d278937a4c2c9
+size 104357336