diff --git a/.github/actions/init/action.yaml b/.github/actions/init/action.yaml
index ab136518..bc0553bc 100644
--- a/.github/actions/init/action.yaml
+++ b/.github/actions/init/action.yaml
@@ -4,9 +4,9 @@ runs:
   using: composite
   steps:
     - name: Init NodeJS
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
-        node-version: '16.13.2'
+        node-version: '18'
         cache: 'npm'
 
     - name: Install Packages
diff --git a/.github/workflows/master.yaml b/.github/workflows/master.yaml
index ade0d010..2bb699fb 100644
--- a/.github/workflows/master.yaml
+++ b/.github/workflows/master.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Init
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index c46642a8..43166da3 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -8,13 +8,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Init
         uses: ./.github/actions/init
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         id: cache
         with:
           path: ./*
@@ -25,15 +25,15 @@ jobs:
     needs: [init]
     steps:
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         id: cache
         with:
           path: ./*
           key: ${{ github.sha }}
       - name: Init NodeJS
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '16.13.2'
+          node-version: '18'
           cache: 'npm'
       - name: Check
         run: npm run ci:check
@@ -43,15 +43,15 @@ jobs:
     needs: [init]
     steps:
       - name: Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         id: cache
         with:
           path: ./*
           key: ${{ github.sha }}
       - name: Init NodeJS
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '16.13.2'
+          node-version: '18'
           cache: 'npm'
       - name: Build
         run: npm run build
diff --git a/src/app/sections/reference/create-reference/components/create-payment-reference/create-payment-reference.component.html b/src/app/sections/reference/create-reference/components/create-payment-reference/create-payment-reference.component.html
index ac8d9dde..c89f5b02 100644
--- a/src/app/sections/reference/create-reference/components/create-payment-reference/create-payment-reference.component.html
+++ b/src/app/sections/reference/create-reference/components/create-payment-reference/create-payment-reference.component.html
@@ -46,7 +46,14 @@
                 multiple
                 (change)="prepareFilesList($event.target.files)"
             />
-            <button mat-button color="accent" (click)="fileDropRef.click()">Add from CSV</button>
+            <button
+                mat-button
+                color="accent"
+                matTooltip="CSV format: template,partyId,shopId"
+                (click)="fileDropRef.click()"
+            >
+                Add from CSV
+            </button>
             <button
                 mat-button
                 color="accent"
diff --git a/src/app/sections/reference/create-reference/create-reference.module.ts b/src/app/sections/reference/create-reference/create-reference.module.ts
index 990a8edf..b67dea77 100644
--- a/src/app/sections/reference/create-reference/create-reference.module.ts
+++ b/src/app/sections/reference/create-reference/create-reference.module.ts
@@ -9,6 +9,7 @@ import { MatIconModule } from '@angular/material/icon';
 import { MatInputModule } from '@angular/material/input';
 import { MatProgressBarModule } from '@angular/material/progress-bar';
 import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatTooltipModule } from '@angular/material/tooltip';
 
 import { PaymentReferencesModule, PaymentReferencesService } from '../../../api/payments/references';
 import { HeadlineModule } from '../../../shared/components/headline';
@@ -35,6 +36,7 @@ import { CreateReferenceComponent } from './create-reference.component';
         MatIconModule,
         MatSnackBarModule,
         MatProgressBarModule,
+        MatTooltipModule,
         HeadlineModule,
     ],
     exports: [CreateReferenceComponent],