diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index e114823..9736141 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -11,7 +11,7 @@ jobs:
           - 2021.3.16f1
           - 2020.3.43f1
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.ref }}
 
@@ -52,7 +52,7 @@ jobs:
           - { version: "2021.3.16f1", changeset: "4016570cf34f" }
           - { version: "2020.3.43f1", changeset: "75bff06b76bf" }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.ref }}
 
@@ -90,7 +90,7 @@ jobs:
           - { version: "2021.3.16f1", changeset: "4016570cf34f" }
           - { version: "2020.3.43f1", changeset: "75bff06b76bf" }
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.ref }}