diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..410ff6c
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,9 @@
+# editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..c6d6fec
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "*"
+  workflow_dispatch:
+
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  mac:
+    name: macOS
+    strategy:
+      matrix:
+        xcode: ["16.4"]
+        config: ["debug", "release"]
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v4
+      - name: Select Xcode ${{ matrix.xcode }}
+        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app
+      - name: Run ${{ matrix.config }} tests
+        run: swift test -c ${{ matrix.config }}
+
+  linux:
+    name: Linux
+    strategy:
+      matrix:
+        swift:
+          - "6.2"
+    runs-on: ubuntu-latest
+    container: swift:${{ matrix.swift }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: swift test
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 0000000..84a7d6c
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,25 @@
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: format-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  swift_format:
+    name: swift-format
+    runs-on: macos-15
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Select Xcode 16.4
+        run: sudo xcode-select -s /Applications/Xcode_16.4.app
+      - name: Format
+        run: make format
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: Run swift-format
+          branch: "main"
diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
deleted file mode 100644
index 796f2bd..0000000
--- a/.github/workflows/swift.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-# This workflow will build a Swift project
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
-
-name: Swift
-
-on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
-
-jobs:
-  test-linux:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-    - uses: swift-actions/setup-swift@v1
-      with:
-        swift-version: 5.9
-    - name: Run tests
-      run: swift test -v
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c924aad
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+test:
+	swift test
+
+format:
+	find . \
+		-path '*/Documentation.docc' -prune -o \
+		-name '*.swift' \
+		-not -path '*/.*' -print0 \
+		| xargs -0 xcrun swift-format --ignore-unparsable-files --in-place
diff --git a/Package.swift b/Package.swift
index 2d54c64..36f03ef 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.9
+// swift-tools-version: 6.0
 
 import PackageDescription
 
@@ -13,9 +13,6 @@ let package = Package(
     targets: [
         .target(
             name: "GraphQLPagination",
-            swiftSettings: [
-                .enableExperimentalFeature("StrictConcurrency"),
-            ]
         ),
         .testTarget(
             name: "GraphQLPaginationTests",
diff --git a/Sources/GraphQLPagination/Connection.swift b/Sources/GraphQLPagination/Connection.swift
index 86aac35..c7d2566 100644
--- a/Sources/GraphQLPagination/Connection.swift
+++ b/Sources/GraphQLPagination/Connection.swift
@@ -40,7 +40,7 @@ extension BasicConnection {
         nodes: [Node],
         pagination: any GraphPaginatable,
         cursor: CursorType
-    ) where Node: GraphCursorable {
+    ) where Node: GraphCursorable & Sendable {
         self.init(nodes: nodes, pagination: pagination.pagination, cursor: cursor)
     }
     /// Build a connection from nodes for any forward paginatable input.
@@ -48,7 +48,7 @@ extension BasicConnection {
         nodes: [Node],
         pagination: any GraphForwardPaginatable,
         cursor: CursorType
-    ) where Node: GraphCursorable {
+    ) where Node: GraphCursorable & Sendable {
         self.init(nodes: nodes, pagination: pagination.pagination, cursor: cursor)
     }
     /// Build a connection from nodes with optional pagination input.
@@ -56,7 +56,7 @@ extension BasicConnection {
         nodes: [Node],
         pagination: GraphPagination?,
         cursor: CursorType
-    ) where Node: GraphCursorable {
+    ) where Node: GraphCursorable & Sendable {
         let result = EdgeBuilder.build(
             cursor: cursor,
             nodes: nodes,
@@ -70,5 +70,7 @@ extension BasicConnection {
 
 extension BasicConnection: Codable where Node: Codable {}
 extension BasicConnection: Equatable where Node: Equatable {}
+extension BasicConnection: Sendable where Node: Sendable {}
 extension BasicEdge: Codable where Node: Codable {}
 extension BasicEdge: Equatable where Node: Equatable {}
+extension BasicEdge: Sendable where Node: Sendable {}