diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index b03ecdca5..000000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,77 +0,0 @@
-name: CI
-env:
-  JULIA_NUM_THREADS: 2
-on:
-  pull_request:
-    branches:
-      - master
-  push:
-    branches:
-      - master
-    tags: '*'
-jobs:
-  test:
-    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
-    runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.allow_failure }}
-    strategy:
-      fail-fast: false
-      matrix:
-        version:
-          - 'nightly'
-          - '1'
-          - '1.6'
-        os:
-          - ubuntu-latest
-          - macos-latest
-          - windows-latest
-        arch:
-          - x64
-        include:
-          - version: 'nightly'
-            allow_failure: true
-          - version: '1'
-            allow_failure: false
-          - version: '1.6'
-            allow_failure: false
-    steps:
-      - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
-        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@v1
-      - uses: julia-actions/julia-runtest@v1
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v4
-        with:
-          file: lcov.info
-          token: ${{ secrets.CODECOV_TOKEN }}
-          fail_ci_if_error: false
-  docs:
-    name: Documentation
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: '1'
-      - run: |
-          julia --project=docs -e '
-            using Pkg
-            Pkg.develop(PackageSpec(path=pwd()))
-            Pkg.instantiate()'
-      - run: julia --project=docs docs/make.jl
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
diff --git a/.github/workflows/postbench.yml b/.github/workflows/postbench.yml
index e0995c814..c0dc22a40 100644
--- a/.github/workflows/postbench.yml
+++ b/.github/workflows/postbench.yml
@@ -3,7 +3,6 @@ on:
   workflow_run:
     workflows: [RunUploadBenchmarks]
     types: [completed]
-    branches: [master, benchx]
 jobs:
   on-success:
     runs-on: ubuntu-latest
@@ -33,6 +32,8 @@ jobs:
 
       - name: 'Unzip artifact'
         run: unzip BenchmarkResults.zip -d .benchmarkci/
+      - name: install dependencies
+        run: julia -e 'using Pkg; pkg"add PkgBenchmark BenchmarkCI@0.1"'
       - name: 'Post results test 1'
         run: julia -e 'using BenchmarkCI; BenchmarkCI.postjudge()'
         env:
@@ -50,12 +51,14 @@ jobs:
               issue_number: issue_number,
               body: 'Thank you for the PR!'
             });
+      - name: 'Read PR number'
+        run: echo "{MY_PR_NUMBER}=$(cat .benchmarkci/pr_number)" >> $GITHUB_ENV
       - name: 'Comment on PR test 3'
-        run: gh pr comment "$NUMBER" --body "$BODY"
+        run: gh pr comment "$MY_PR_NUMBER" --body "$BODY"
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GH_REPO: ${{ github.repository }}
-          NUMBER: ${{ github.event.pull_request.number }}
+          # NUMBER: ${{ github.event.pull_request.number }}
           BODY: >
             This pr comment is testing.
             **This should be bold**
diff --git a/.github/workflows/runbenchandupload.yml b/.github/workflows/runbenchandupload.yml
index 1f804067a..06624adb2 100644
--- a/.github/workflows/runbenchandupload.yml
+++ b/.github/workflows/runbenchandupload.yml
@@ -54,7 +54,7 @@ jobs:
           PR_NUMBER: ${{ github.event.pull_request.number }}
         run: |
           echo $PR_NUMBER > .benchmarkci/pr_number
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with: 
           name: BenchmarkResults
           path: .benchmarkci/