diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a36e856c..1ffe1998 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,21 +16,19 @@ jobs:
   build:
     strategy:
       fail-fast: false
-      max-parallel: 20
       matrix:
         target:
-          # Unit tests
           - os: linux
             cpu: amd64
           - os: linux
             cpu: i386
           - os: macos
             cpu: amd64
+          - os: macos
+            cpu: arm64
           - os: windows
             cpu: amd64
-          #- os: windows
-            #cpu: i386
-        branch: [version-1-6, version-2-0, devel]
+        branch: [version-2-0, version-2-2, devel]
         include:
           - target:
               os: linux
@@ -38,11 +36,17 @@ jobs:
             shell: bash
           - target:
               os: macos
+              cpu: amd64
+            builder: macos-13
+            shell: bash
+          - target:
+              os: macos
+              cpu: arm64
             builder: macos-latest
             shell: bash
           - target:
               os: windows
-            builder: windows-2019
+            builder: windows-latest
             shell: msys2 {0}
 
     defaults:
@@ -127,6 +131,8 @@ jobs:
         run: |
           if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
             PLATFORM=x64
+          elif [[ '${{ matrix.target.cpu }}' == 'arm64' ]]; then
+            PLATFORM=arm64
           else
             PLATFORM=x86
           fi
@@ -263,7 +269,7 @@ jobs:
           kill $server
 
       - name: Upload Autobahn result
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: autobahn-report
           path: ./autobahn/reports
@@ -280,13 +286,13 @@ jobs:
 
     steps:
       - name: Download Autobahn reports
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: autobahn-report
           path: ./autobahn_reports
 
       - name: Deploy autobahn report.
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           personal_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./autobahn_reports
diff --git a/websock.nimble b/websock.nimble
index 20fa9279..45ea0d6c 100644
--- a/websock.nimble
+++ b/websock.nimble
@@ -29,7 +29,7 @@ task test, "run tests":
     nimFlags = envNimFlags &
       " --verbosity:0 --hints:off --hint:Name:on " &
       "--styleCheck:usages --styleCheck:error" &
-      " -d:chronosStrictException"
+      " -d:chronosStrictException --mm:refc"
 
   # dont't need to run it, only want to test if it is compileable
   exec "nim c -c " & nimFlags & " -d:chronicles_log_level=TRACE -d:chronicles_sinks:json --styleCheck:usages --styleCheck:hint ./tests/all_tests"