diff --git a/.github/workflows/hypothesis.yml b/.github/workflows/hypothesis.yml
index 612be961f2..2a2c7901ac 100644
--- a/.github/workflows/hypothesis.yml
+++ b/.github/workflows/hypothesis.yml
@@ -29,7 +29,7 @@ jobs:
         run: tox -e hypothesis,coverage
 
       - name: Upload Python coverage to codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           flags: hypothesis-py
           fail_ci_if_error: true
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 0805449e48..c3b00169d1 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -75,7 +75,7 @@ jobs:
           PYTHONDEVMODE: 1
 
       - name: Upload Python coverage to codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           flags: python
           fail_ci_if_error: true
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ddce31eb49..8ead7e2190 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -107,7 +107,7 @@ jobs:
         run: cargo tarpaulin --all --all-features --timeout 600 --out xml -- --test-threads 1
 
       - name: Upload Rust coverage to codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           flags: rust
           fail_ci_if_error: true