diff --git a/swift/ql/lib/change-notes/2026-04-20-swift-6.3.1.md b/swift/ql/lib/change-notes/2026-04-20-swift-6.3.1.md
new file mode 100644
index 000000000000..acc4bc73861a
--- /dev/null
+++ b/swift/ql/lib/change-notes/2026-04-20-swift-6.3.1.md
@@ -0,0 +1,4 @@
+---
+category: majorAnalysis
+---
+* Upgraded to allow analysis of Swift 6.3.1.
diff --git a/swift/third_party/resources/resource-dir-linux.zip b/swift/third_party/resources/resource-dir-linux.zip
index 74170f153238..8692eb89fd4c 100644
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diff --git a/swift/third_party/resources/resource-dir-macos.zip b/swift/third_party/resources/resource-dir-macos.zip
index a505593bce90..51c367e2b136 100644
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