diff --git a/.github/workflows/mix_test.yml b/.github/workflows/mix_test.yml
index 23c7f16..a0858e4 100644
--- a/.github/workflows/mix_test.yml
+++ b/.github/workflows/mix_test.yml
@@ -23,7 +23,7 @@ jobs:
         elixir: [1.14.x]
         otp: [24.x, 25.x]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
           elixir-version: ${{matrix.elixir}}
@@ -38,7 +38,7 @@ jobs:
         elixir: [1.13.x]
         otp: [23.x, 24.x]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
         with:
           elixir-version: ${{matrix.elixir}}