diff --git a/.github/workflows/idl-update.yml b/.github/workflows/idl-update.yml
index 2be4039..73d0bd6 100644
--- a/.github/workflows/idl-update.yml
+++ b/.github/workflows/idl-update.yml
@@ -28,7 +28,7 @@ jobs:
       max-parallel: 1
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # the script replaces the json file with a newly downloaded one
       # and updates the version in Cargo.toml
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 082ba6f..bf3c5ce 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Hygiene | Formatting
       run: cargo fmt -- --check