diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4d5fe08..7007638 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.0'
+          - '1.6' # oldest possible version
           - '1.9'
           - 'nightly'
         os:
@@ -29,16 +29,18 @@ jobs:
           - x64
     steps:
       - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@v1
+      - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v1
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
-      - uses: julia-actions/julia-uploadcoveralls@v1
-        env:
-          COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
+      - uses: julia-actions/julia-processcoverage@v1
+      - name: Coveralls
+        uses: coverallsapp/github-action@v2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
   docs:
     name: Documentation
     runs-on: ubuntu-latest
diff --git a/Project.toml b/Project.toml
index 8713550..70b47bb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,12 +4,4 @@ authors = ["Martin Kunz <martinkunz@email.cz> and contributors"]
 version = "1.0.0-DEV"
 
 [compat]
-Aqua = "0.7"
-julia = "1"
-
-[extras]
-Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
-
-[targets]
-test = ["Aqua", "Test"]
+julia = "^1.6"