diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index 00f018a..33d1108 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -50,7 +50,7 @@ jobs:
           PLATFORM: ${{ matrix.platform }}
 
       - name: Coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
 
   deploy:
     # this will run when you have tagged a commit, starting with "v*"
diff --git a/.github/workflows/test_and_deploy_testpypi.yml b/.github/workflows/test_and_deploy_testpypi.yml
index b6bcdd2..02de997 100644
--- a/.github/workflows/test_and_deploy_testpypi.yml
+++ b/.github/workflows/test_and_deploy_testpypi.yml
@@ -50,7 +50,7 @@ jobs:
           PLATFORM: ${{ matrix.platform }}
 
       - name: Coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
 
   deploy:
     # this will run when you have tagged a commit, starting with "testpypi-*"
diff --git a/.github/workflows/test_and_deploy_testpypi.yml.old b/.github/workflows/test_and_deploy_testpypi.yml.old
index 5ad3316..ffb2749 100644
--- a/.github/workflows/test_and_deploy_testpypi.yml.old
+++ b/.github/workflows/test_and_deploy_testpypi.yml.old
@@ -51,7 +51,7 @@ jobs:
           PLATFORM: ${{ matrix.platform }}
 
       - name: Coverage
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
 
   deploy:
     # this will run when you have tagged a commit, starting with "testpypi-*"