diff --git a/adhocracy4/maps_react/static/a4maps_react/AddMarkerControl.js b/adhocracy4/maps_react/static/a4maps_react/AddMarkerControl.js
index 24e0a30e1..919d6459c 100644
--- a/adhocracy4/maps_react/static/a4maps_react/AddMarkerControl.js
+++ b/adhocracy4/maps_react/static/a4maps_react/AddMarkerControl.js
@@ -1,6 +1,6 @@
 import L from 'leaflet'
 import { createControlComponent } from '@react-leaflet/core'
-import { point, inside } from '@turf/turf'
+import { point, booleanPointInPolygon } from '@turf/turf'
 import { makeIcon } from './GeoJsonMarker'
 
 export function checkPointInsidePolygon (marker, polygons) {
@@ -9,7 +9,7 @@ export function checkPointInsidePolygon (marker, polygons) {
 
   polygons.eachLayer((layer) => {
     const polygonGeoJSON = layer.toGeoJSON()
-    if (inside(pointGeoJSON, polygonGeoJSON)) {
+    if (booleanPointInPolygon(pointGeoJSON, polygonGeoJSON)) {
       isInPolygon = true
     }
   })
diff --git a/changelog/_1112.md b/changelog/_1112.md
new file mode 100644
index 000000000..e65e1a76e
--- /dev/null
+++ b/changelog/_1112.md
@@ -0,0 +1,3 @@
+### Fixed
+
+- replace removed turf `inside` function with `booleanPointinPolygon`
diff --git a/package.json b/package.json
index de07a932f..7b4b541a3 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   ],
   "dependencies": {
     "@popperjs/core": "2.11.8",
-    "@turf/turf": "^6.5.0",
+    "@turf/turf": "7.0.0",
     "file-saver": "2.0.5",
     "immutability-helper": "3.1.1",
     "jquery": "3.7.1",
@@ -26,7 +26,7 @@
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "react-flip-move": "3.0.5",
-    "react-leaflet": "^4.2.1",
+    "react-leaflet": "4.2.1",
     "react-markdown": "9.0.1",
     "react-slick": "0.30.2",
     "shpjs": "6.1.0"
@@ -37,7 +37,7 @@
     "@babel/preset-env": "7.26.0",
     "@babel/preset-react": "7.25.9",
     "@maplibre/maplibre-gl-leaflet": "0.0.22",
-    "@react-leaflet/core": "^2.1.0",
+    "@react-leaflet/core": "2.1.0",
     "@testing-library/jest-dom": "6.6.3",
     "@testing-library/react": "16.0.1",
     "eslint": "8.57.1",