diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 226e136..811cc2c 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -15,9 +15,9 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - name: Clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v4
+        uses: seanmiddleditch/gha-setup-ninja@v5
       - name: Configure
         run: cmake --preset release -B build
       - name: Unicast messages
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 7c03b01..9949ab9 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -29,9 +29,9 @@ jobs:
           - {name: 'win msvc rel s:addr', os: windows-latest, preset: release-asan}
     steps:
       - name: Clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v4
+        uses: seanmiddleditch/gha-setup-ninja@v5
       - name: VC Vars
         # Setup vcvars on Windows
         # MSVC's address sanitizer attaches dependencies to several DLLs which are not in PATH