diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 2843360..d1b372f 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -27,7 +27,7 @@ jobs:
       - uses: tree-sitter/setup-action@v2
       - uses: swift-actions/setup-swift@v2
         with:
-          swift-version: "6.2"
+          swift-version: "6.2.3"
       # Because our tree-sitter code is in a subdirectory,
       # and working-directory does not apply to uses, we
       # are forced to specify calls to the CI ourselves.