diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e97d89e4..8df3cae3 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 16d5a9e9..4a3f0c6c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 8057a769..99d9ad6f 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -11,7 +11,7 @@ jobs:
         python: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -37,7 +37,7 @@ jobs:
         - unit
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
diff --git a/samples/interactive-tutorials/events/requirements-test.txt b/samples/interactive-tutorials/events/requirements-test.txt
index 0e59cb53..64500c74 100644
--- a/samples/interactive-tutorials/events/requirements-test.txt
+++ b/samples/interactive-tutorials/events/requirements-test.txt
@@ -1,3 +1,3 @@
-pytest==7.4.0
+pytest==7.4.1
 pytest-xdist==3.3.1
 google-cloud-testutils==1.3.3
diff --git a/samples/interactive-tutorials/product/requirements-test.txt b/samples/interactive-tutorials/product/requirements-test.txt
index 0e59cb53..64500c74 100644
--- a/samples/interactive-tutorials/product/requirements-test.txt
+++ b/samples/interactive-tutorials/product/requirements-test.txt
@@ -1,3 +1,3 @@
-pytest==7.4.0
+pytest==7.4.1
 pytest-xdist==3.3.1
 google-cloud-testutils==1.3.3
diff --git a/samples/interactive-tutorials/search/requirements-test.txt b/samples/interactive-tutorials/search/requirements-test.txt
index fcf47a89..ca630ca5 100644
--- a/samples/interactive-tutorials/search/requirements-test.txt
+++ b/samples/interactive-tutorials/search/requirements-test.txt
@@ -1,2 +1,2 @@
-pytest==7.4.0
+pytest==7.4.1
 pytest-xdist==3.3.1