diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index bfe9772..024c775 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -1,11 +1,9 @@
-name: CI
-on: [ push, workflow_dispatch ]
+name: ci
+on: [ push, workflow_disTOKENch ]
 
 jobs:
   run_tests:
     name: Run tests
-    concurrency:
-      group: ci
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repo
@@ -16,7 +14,7 @@ jobs:
         run: bash ./scripts/init_runner.sh ${{ github.job }}
       - name: Setup workspace
         env:
-          GITHUB_DEVELOPMENT_PAT: ${{ secrets.GH_DEVELOPMENT_PAT }}
+          GITHUB_DEVELOPMENT_TOKEN: ${{ secrets.GH_DEVELOPMENT_TOKEN }}
         run: bash ./scripts/setup_workspace.sh
       - name: Run tests
         env:
@@ -30,8 +28,6 @@ jobs:
       matrix:
         node: [ 18, 20 ]
     name: Additional tests (node ${{ matrix.node }})
-    concurrency:
-      group: ci
     if: ${{ contains(github.event.head_commit.message, 'additional tests') }}
     runs-on: ubuntu-22.04
     steps:
@@ -43,7 +39,7 @@ jobs:
         run: bash ./scripts/init_runner.sh ${{ github.job }}
       - name: Setup workspace
         env:
-          GITHUB_DEVELOPMENT_PAT: ${{ secrets.GH_DEVELOPMENT_PAT }}
+          GITHUB_DEVELOPMENT_TOKEN: ${{ secrets.GH_DEVELOPMENT_TOKEN }}
         run: bash ./scripts/setup_workspace.sh
       - name: Run tests
         env:
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index 02dae70..ba522be 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -25,8 +25,8 @@ while getopts "n:cr:" option; do
             CODE_COVERAGE=true
             ;;
         r) # report outcome to slack
+            CI_STEP_NAME=$OPTARG        
             load_env_files "$WORKSPACE_DIR/development/common/SLACK_WEBHOOK_LIBS.enc.env"
-            CI_STEP_NAME=$OPTARG
             trap 'slack_ci_report "$ROOT_DIR" "$CI_STEP_NAME" "$?" "$SLACK_WEBHOOK_LIBS"' EXIT
             ;;
         *)
diff --git a/scripts/setup_workspace.sh b/scripts/setup_workspace.sh
index 49052ea..d31e716 100755
--- a/scripts/setup_workspace.sh
+++ b/scripts/setup_workspace.sh
@@ -15,7 +15,7 @@ begin_group "Setting up workspace ..."
 
 if [ "$CI" = true ]; then
     WORKSPACE_DIR="$(dirname "$ROOT_DIR")"
-    DEVELOPMENT_REPO_URL="https://$GITHUB_DEVELOPMENT_PAT@github.com/kalisio/development.git"
+    DEVELOPMENT_REPO_URL="https://$GITHUB_DEVELOPMENT_TOKEN@github.com/kalisio/development.git"
 else
     while getopts "b:t" option; do
         case $option in
diff --git a/test/client.test.js b/test/client.test.js
index 2f20731..cd7990c 100644
--- a/test/client.test.js
+++ b/test/client.test.js
@@ -9,6 +9,7 @@ import feathersSocketio from '@feathersjs/socketio'
 import io from 'socket.io-client'
 import { Service, getClientService } from '../lib/index.js'
 import fs from 'fs'
+import crypto from 'crypto'
 import { Blob } from 'buffer'
 import fetch from 'node-fetch'
 
@@ -32,7 +33,7 @@ const options = {
     signatureVersion: 'v4'
   },
   bucket: process.env.S3_BUCKET,
-  prefix: 'feathers-s3-test-client'
+  prefix: crypto.randomUUID()
 }
 
 const textFileId = 'text.txt'
diff --git a/test/processing.test.js b/test/processing.test.js
index d576bcc..8b37968 100644
--- a/test/processing.test.js
+++ b/test/processing.test.js
@@ -5,6 +5,7 @@ import chailint from 'chai-lint'
 import sharp from 'sharp'
 import express from '@feathersjs/express'
 import fs from 'fs'
+import crypto from 'crypto'
 import { Service } from '../lib/index.js'
 
 feathers.setDebug(makeDebug)
@@ -22,7 +23,7 @@ const options = {
     signatureVersion: 'v4'
   },
   bucket: process.env.S3_BUCKET,
-  prefix: 'feathers-s3-test-service'
+  prefix: crypto.randomUUID()
 }
 
 const fileId = 'image.png'
diff --git a/test/service.test.js b/test/service.test.js
index f42c640..036df0f 100644
--- a/test/service.test.js
+++ b/test/service.test.js
@@ -5,6 +5,7 @@ import chailint from 'chai-lint'
 import superagent from 'superagent'
 import express from '@feathersjs/express'
 import fs from 'fs'
+import crypto from 'crypto'
 import { Blob } from 'buffer'
 import { Service, getObject } from '../lib/index.js'
 
@@ -23,7 +24,7 @@ const options = {
     signatureVersion: 'v4'
   },
   bucket: process.env.S3_BUCKET,
-  prefix: 'feathers-s3-test-service'
+  prefix: crypto.randomUUID()
 }
 
 const fileId = 'features.geojson'