diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 7ed3b1b533b..7e87d8d4094 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -107,7 +107,8 @@ runs:
 
         echo "swiftly version: $(swiftly --version)" >&2
 
-        swiftly install --use main-snapshot-2025-05-26
+        # installs version listed in .swift-version
+        swiftly install
         swiftly list
 
     - name: 'Install Dependencies'
diff --git a/.gitignore b/.gitignore
index f336708364b..a01e5a08452 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,6 @@ output/
 .vim/
 .exrc
 .helix/
-.swift-version
 
 # Environments
 .venv/
diff --git a/.swift-version b/.swift-version
new file mode 100644
index 00000000000..15ce20b4aa3
--- /dev/null
+++ b/.swift-version
@@ -0,0 +1 @@
+main-snapshot-2025-06-03
\ No newline at end of file