diff --git a/README.md b/README.md
index cec0a5c..828e1ee 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ jobs:
   cargo-deny:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: EmbarkStudios/cargo-deny-action@v1
       with:
         log-level: warn
@@ -69,7 +69,7 @@ jobs:
   cargo-deny:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: EmbarkStudios/cargo-deny-action@v1
       with:
         rust-version: "1.60.0"
@@ -94,7 +94,7 @@ jobs:
   cargo-deny:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: EmbarkStudios/cargo-deny-action@v1
       with:
         command: check bans licenses sources
@@ -118,7 +118,7 @@ jobs:
     continue-on-error: ${{ matrix.checks == 'advisories' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: EmbarkStudios/cargo-deny-action@v1
       with:
         command: check ${{ matrix.checks }}