diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e680feb..d5ae7e5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -50,7 +50,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-runtest@latest
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         with:
           file: ./lcov.info
 
@@ -72,6 +72,6 @@ jobs:
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-runtest@latest
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         with:
           file: ./lcov.info
diff --git a/.github/workflows/CassetteBaseCI.yml b/.github/workflows/CassetteBaseCI.yml
index 8ecc15e..f8205b9 100644
--- a/.github/workflows/CassetteBaseCI.yml
+++ b/.github/workflows/CassetteBaseCI.yml
@@ -48,6 +48,6 @@ jobs:
         shell: julia --color=yes --project=. {0}    # this is necessary for the next command to work on Windows
         run: 'using Pkg; Pkg.activate("CassetteBase"); Pkg.instantiate(); Pkg.test(coverage=true)'
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         with:
           file: ./lcov.info