diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2b021c9..8f95290 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,79 +1,47 @@
 name: CI
-
-# Run on master, tags, or any pull request
 on:
   push:
-    branches: [master]
-    tags: ["*"]
+    branches:
+      - master
+    tags: ['*']
   pull_request:
-
+  workflow_dispatch:
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: only if it is a pull request build.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 jobs:
   test:
-    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         version:
           - '1.6'
-          - '1'    # Latest Release
+          - '1'
         os:
           - ubuntu-latest
-          - windows-latest
           - macos-latest
+          - windows-latest
         arch:
           - x64
-
+          - x86
+        exclude:
+          - os: macos-latest
+            arch: x86
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
-      - uses: julia-actions/julia-buildpkg@latest
-      - run: |
-          git config --global user.name Tester
-          git config --global user.email te@st.er
-      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v4
         with:
-          file: lcov.info
-
-  # ATM, we only have README
-  #
-  # docs:
-  #   name: Documentation
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v2
-  #     - uses: julia-actions/setup-julia@v1
-  #       with:
-  #         version: '1'
-  #     - run: |
-  #         git config --global user.name name
-  #         git config --global user.email email
-  #         git config --global github.user username
-  #     - run: |
-  #         julia --project=docs -e '
-  #           using Pkg;
-  #           Pkg.develop(PackageSpec(path=pwd()));
-  #           Pkg.instantiate();'
-  #     - run: |
-  #         julia --project=docs -e '
-  #           using Documenter: doctest
-  #           using TimeSeries
-  #           doctest(TimeSeries)'
-  #     - run: julia --project=docs docs/make.jl
-  #       env:
-  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
diff --git a/test/runtests.jl b/test/runtests.jl
index 37c61fd..d5225f7 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -132,14 +132,14 @@ end
     nu1 = svmtrain(X, y, svmtype = NuSVR, cost = 10.,
                     nu = .7, gamma = 2., tolerance = .001)
     ynu1, d = svmpredict(nu1, X)
-    @test sum(ynu1 - y) ≈  14.184665717092
+    @test isapprox(sum(ynu1 - y), 14.184665717092, atol=0.001)
     sknu1 = fit!(NuSVR(cost = 10., nu=.7, gamma = 2.), X', y)
     ysknu1 = predict(sknu1, X')
     @test isapprox(ysknu1,ynu1)
 
     nu2 = svmtrain(X, y, svmtype = NuSVR, cost = 10., nu = .9)
-    ynu2, d =svmpredict(nu2, X)
-    @test sum(ynu2 - y) ≈ 6.686819661799177
+    ynu2, d = svmpredict(nu2, X)
+    @test isapprox(sum(ynu2 - y), 6.686819661799177, atol=0.01)
     sknu2 = fit!(NuSVR(cost = 10., nu=.9), X', y)
     ysknu2 = predict(sknu2, X')
     @test isapprox(ysknu2, ynu2)
@@ -150,7 +150,7 @@ end
                          nu = .7, gamma = 2., tolerance = .001,
                          nt = -1)
         ntynu1, ntd = svmpredict(ntnu1, X)
-        @test sum(ntynu1 - y) ≈ 14.184665717092
+        @test isapprox(sum(ntynu1 - y), 14.184665717092, atol=0.001)
 
         # Assign by environment
         ENV["OMP_NUM_THREADS"] = 2