diff --git a/.github/workflows/_conda-build.yml b/.github/workflows/_conda-build.yml
index b147257..f8a40d7 100644
--- a/.github/workflows/_conda-build.yml
+++ b/.github/workflows/_conda-build.yml
@@ -23,7 +23,7 @@ jobs:
         shell: bash -l {0}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup Conda
         uses: conda-incubator/setup-miniconda@v2
         with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index eae407c..a1b3544 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index b405a5c..3d346f7 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -11,9 +11,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v3
       with:
         python-version: '3.9'
     - name: Install dependencies
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 6982329..a613cf7 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -39,7 +39,7 @@ jobs:
         shell: bash -l {0}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup Conda
         uses: conda-incubator/setup-miniconda@v2
         with:
@@ -52,7 +52,7 @@ jobs:
       - name: Set cache date
         run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: ${{ matrix.prefix }}
           key: ${{ matrix.label }}-py${{ matrix.python-version }}-conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}