diff --git a/.github/workflows/_lint.yml b/.github/workflows/_lint.yml
index e7cbfa2d221..e4ea3d220f9 100644
--- a/.github/workflows/_lint.yml
+++ b/.github/workflows/_lint.yml
@@ -34,7 +34,7 @@ jobs:
           - "3.8"
           - "3.11"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # Fetch the last FETCH_DEPTH commits, so the mtime-changing script
           # can accurately set the mtimes of files modified in the last FETCH_DEPTH commits.
diff --git a/.github/workflows/_pydantic_compatibility.yml b/.github/workflows/_pydantic_compatibility.yml
index 3287a4d8133..8948836237c 100644
--- a/.github/workflows/_pydantic_compatibility.yml
+++ b/.github/workflows/_pydantic_compatibility.yml
@@ -26,7 +26,7 @@ jobs:
           - "3.11"
     name: Pydantic v1/v2 compatibility - Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/_release.yml b/.github/workflows/_release.yml
index 38c701052eb..4f95b09fe69 100644
--- a/.github/workflows/_release.yml
+++ b/.github/workflows/_release.yml
@@ -30,7 +30,7 @@ jobs:
       run:
         working-directory: ${{ inputs.working-directory }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index 61670014fd3..d296bb915f9 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -26,7 +26,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 50a22e4cb0d..82474e92890 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Dependencies
         run: |
diff --git a/.github/workflows/langchain_ci.yml b/.github/workflows/langchain_ci.yml
index 046de2258be..cd472f2b194 100644
--- a/.github/workflows/langchain_ci.yml
+++ b/.github/workflows/langchain_ci.yml
@@ -65,7 +65,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }} extended tests
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/langchain_experimental_ci.yml b/.github/workflows/langchain_experimental_ci.yml
index 8641a915e11..49029872fef 100644
--- a/.github/workflows/langchain_experimental_ci.yml
+++ b/.github/workflows/langchain_experimental_ci.yml
@@ -62,7 +62,7 @@ jobs:
           - "3.11"
     name: test with unpublished langchain - Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
@@ -97,7 +97,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }} extended tests
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }} + Poetry ${{ env.POETRY_VERSION }}
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/scheduled_test.yml b/.github/workflows/scheduled_test.yml
index 44de47155ce..116fd503282 100644
--- a/.github/workflows/scheduled_test.yml
+++ b/.github/workflows/scheduled_test.yml
@@ -24,7 +24,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: "./.github/actions/poetry_setup"
diff --git a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/lint.yml b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/lint.yml
index c3e4375fc86..6c84beec33a 100644
--- a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/lint.yml
+++ b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ jobs:
           - "3.10"
           - "3.11"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install poetry
         run: |
           pipx install poetry==$POETRY_VERSION
diff --git a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/release.yml b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/release.yml
index 85b387b27b8..d06bc0a0de5 100644
--- a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/release.yml
+++ b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
         && ${{ contains(github.event.pull_request.labels.*.name, 'release') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry==$POETRY_VERSION
       - name: Set up Python 3.10
diff --git a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/test.yml b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/test.yml
index 5138aaa0fb6..9f2dc966877 100644
--- a/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/test.yml
+++ b/libs/langchain/langchain/cli/create_repo/templates/poetry/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
           - "3.11"
     name: Python ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: "./.github/actions/poetry_setup"
         with: