diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 1b036796cf..4c3f8faa7e 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout zipline
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -73,7 +73,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ci_tests_full.yml b/.github/workflows/ci_tests_full.yml
index 5c2e888ea7..fd381ceceb 100644
--- a/.github/workflows/ci_tests_full.yml
+++ b/.github/workflows/ci_tests_full.yml
@@ -13,7 +13,7 @@ jobs:
     name: Formatting Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: psf/black@stable
         with:
           options: "--check --diff"
@@ -24,7 +24,7 @@ jobs:
     name: Lint Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout Zipline
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
diff --git a/.github/workflows/ci_tests_quick.yml b/.github/workflows/ci_tests_quick.yml
index 3e01c56f03..89cc937cb2 100644
--- a/.github/workflows/ci_tests_quick.yml
+++ b/.github/workflows/ci_tests_quick.yml
@@ -12,7 +12,7 @@ jobs:
     name: Formatting Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: psf/black@stable
         with:
           options: "--check --diff"
@@ -23,7 +23,7 @@ jobs:
     name: Lint Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: "3.11"
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Checkout Zipline
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
diff --git a/.github/workflows/conda_exchange_calendar.yml b/.github/workflows/conda_exchange_calendar.yml
index 08b9ef5918..273cf5a3f4 100644
--- a/.github/workflows/conda_exchange_calendar.yml
+++ b/.github/workflows/conda_exchange_calendar.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout zipline-reloaded
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup miniconda3
         uses: conda-incubator/setup-miniconda@v2
diff --git a/.github/workflows/conda_package.yml b/.github/workflows/conda_package.yml
index 988e7ccf7f..fd99e953f5 100644
--- a/.github/workflows/conda_package.yml
+++ b/.github/workflows/conda_package.yml
@@ -31,7 +31,7 @@ jobs:
           xcode-version: '11.5'
 
       - name: Checkout zipline-reloaded
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup miniconda3
         uses: conda-incubator/setup-miniconda@v2
diff --git a/.github/workflows/conda_talib.yml b/.github/workflows/conda_talib.yml
index 7ceca1b942..7ac1f21d7b 100644
--- a/.github/workflows/conda_talib.yml
+++ b/.github/workflows/conda_talib.yml
@@ -37,7 +37,7 @@ jobs:
           xcrun --show-sdk-path | ls
 
       - name: Checkout zipline-reloaded
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           python-version: ${{ matrix.python-version }}