diff --git a/.github/workflows/cwa.yml b/.github/workflows/cwa.yml
index 44d2d198..96b3e584 100644
--- a/.github/workflows/cwa.yml
+++ b/.github/workflows/cwa.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ["3.7", "3.8", "3.9", "3.10"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
@@ -24,7 +24,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Setup java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
             distribution: 'zulu'
             java-version: '8'
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index 47e3b790..041cdecd 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/gt3x.yml b/.github/workflows/gt3x.yml
index 4325cba8..e532b505 100644
--- a/.github/workflows/gt3x.yml
+++ b/.github/workflows/gt3x.yml
@@ -17,10 +17,10 @@ jobs:
         working-directory: src/accelerometer/java/
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '8'
diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index c7ccebab..8abe2559 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -17,10 +17,10 @@ jobs:
         python-version: ["3.7", "3.8", "3.9", "3.10"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '8'
@@ -29,7 +29,7 @@ jobs:
         run: javac -cp src/accelerometer/java/JTransforms-3.1-with-dependencies.jar src/accelerometer/java/*.java
 
       - name: Setup python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/junit.yml b/.github/workflows/junit.yml
index 60d9a0b6..30400259 100644
--- a/.github/workflows/junit.yml
+++ b/.github/workflows/junit.yml
@@ -14,10 +14,10 @@ jobs:
         working-directory: src/accelerometer/java/
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '8'
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 32b6b7ad..36483803 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           # versioneer.py requires the latest tag to be reachable. Here we
@@ -26,7 +26,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
           java-version: '8'