diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3e2f738..b4384ee 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,7 +46,7 @@ jobs:
         run: dotnet test --no-build ./MimeMapping.sln
 
       - name: Codecov
-        uses: codecov/codecov-action@7afa10ed9b269c561c2336fd862446844e0cbf71 # v4.2.0
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # v4.3.0
         with:
           files: '**/TestResults/*/*.cobertura.xml'
           token: ${{ secrets.CODECOV_TOKEN }}