diff --git a/.github/workflows/circuits.yml b/.github/workflows/circuits.yml
index 4074190..bfc7a1e 100644
--- a/.github/workflows/circuits.yml
+++ b/.github/workflows/circuits.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Rust
         uses: dtolnay/rust-toolchain@master
diff --git a/.github/workflows/confidential-coins.yml b/.github/workflows/confidential-coins.yml
index ee67d65..5f9a41a 100644
--- a/.github/workflows/confidential-coins.yml
+++ b/.github/workflows/confidential-coins.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Based on https://github.com/actions/cache/blob/main/examples.md#node---yarn-2
       - name: Get yarn cache directory path
diff --git a/.github/workflows/contracts.yml b/.github/workflows/contracts.yml
index 5bca71a..f1a4d27 100644
--- a/.github/workflows/contracts.yml
+++ b/.github/workflows/contracts.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
diff --git a/.github/workflows/demo-app.yml b/.github/workflows/demo-app.yml
index 7d4eaee..da50988 100644
--- a/.github/workflows/demo-app.yml
+++ b/.github/workflows/demo-app.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Based on https://github.com/actions/cache/blob/main/examples.md#node---yarn-2
       - name: Get yarn cache directory path
diff --git a/.github/workflows/prover.yml b/.github/workflows/prover.yml
index 5587ff7..ce0b74b 100644
--- a/.github/workflows/prover.yml
+++ b/.github/workflows/prover.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Rust
         uses: dtolnay/rust-toolchain@master