diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f0aaa72..0185507 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: 20
diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index 4acfb9c..6065d22 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: main
           ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
diff --git a/.github/workflows/release_main.yml b/.github/workflows/release_main.yml
index 6c7fb00..c4ce42a 100644
--- a/.github/workflows/release_main.yml
+++ b/.github/workflows/release_main.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -51,7 +51,7 @@ jobs:
     needs: create_release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -110,7 +110,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: develop
           ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}
diff --git a/package.json b/package.json
index 40c1ed4..96e5c12 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "lineupengine",
   "description": "a fast engine for rendering large tables consisting of rows, rows+columns, multiple rows+columns instances.",
   "homepage": "https://lineupengine.js.org",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "author": {
     "name": "Samuel Gratzl",
     "email": "sam@sgratzl.com",
diff --git a/tsconfig.json b/tsconfig.json
index 4b38905..f2a3c1b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,10 +1,10 @@
 {
   "compilerOptions": {
-    "module": "ES2020",
-    "target": "ES2020",
+    "module": "ES2015",
+    "target": "ES5",
     "importHelpers": false,
     "sourceMap": true,
-    "lib": ["DOM", "ES2020"],
+    "lib": ["DOM", "ES2015", "es2016.array.include", "es2017.object"],
     "composite": true,
     "declaration": true,
     "declarationMap": true,