diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 8ef23b9..7232e2d 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -26,6 +26,8 @@ jobs:
       - uses: actions/setup-node@v4
       - uses: tree-sitter/setup-action@v2
       - uses: swift-actions/setup-swift@v2
+          with:
+            swift-version: "6.2"
       # 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.