diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46c1f633..24918fa9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: postgres:12
+        image: postgis/postgis:12-3.2
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: password
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 7cfe2580..9baed5ee 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -39,7 +39,7 @@ services:
     restart: unless-stopped
   db:
     container_name: camino_api_db
-    image: postgres:12
+    image: postgis/postgis:12-3.2
     environment:
       PGUSER: ${PGUSER}
       POSTGRES_USER: ${PGUSER}
diff --git a/docker-compose.local.yml b/docker-compose.local.yml
index 091ca374..85782566 100644
--- a/docker-compose.local.yml
+++ b/docker-compose.local.yml
@@ -36,7 +36,7 @@ services:
 
   db:
     container_name: camino_api_db
-    image: postgres:12
+    image: postgis/postgis:12-3.2
     environment:
       PGUSER: ${PGUSER}
       POSTGRES_USER: ${PGUSER}
diff --git a/docker-compose.localhost.yml b/docker-compose.localhost.yml
index 71902cb8..7142beae 100644
--- a/docker-compose.localhost.yml
+++ b/docker-compose.localhost.yml
@@ -17,7 +17,7 @@ services:
 
   db:
     container_name: camino_api_db
-    image: postgres:12
+    image: postgis/postgis:12-3.2
     environment:
       PGUSER: ${PGUSER}
       POSTGRES_USER: ${PGUSER}
diff --git a/docker-compose.yml b/docker-compose.yml
index 94579f3f..6f69a1a2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,7 +39,7 @@ services:
     restart: unless-stopped
   db:
     container_name: camino_api_db
-    image: postgres:12
+    image: postgis/postgis:12-3.2
     environment:
       PGUSER: ${PGUSER}
       POSTGRES_USER: ${PGUSER}
diff --git a/package-lock.json b/package-lock.json
index 9ab32f55..eb2a6005 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,6 @@
         "@sentry/node": "^6.16.1",
         "@sentry/types": "^6.16.1",
         "@sindresorhus/slugify": "^1.1.2",
-        "@turf/area": "^6.5.0",
         "@turf/center": "^6.5.0",
         "@turf/intersect": "^6.5.0",
         "@types/basic-auth": "^1.1.3",
@@ -2815,18 +2814,6 @@
       "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
       "integrity": "sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA=="
     },
-    "node_modules/@turf/area": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/@turf/area/-/area-6.5.0.tgz",
-      "integrity": "sha512-xCZdiuojokLbQ+29qR6qoMD89hv+JAgWjLrwSEWL+3JV8IXKeNFl6XkEJz9HGkVpnXvQKJoRz4/liT+8ZZ5Jyg==",
-      "dependencies": {
-        "@turf/helpers": "^6.5.0",
-        "@turf/meta": "^6.5.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/turf"
-      }
-    },
     "node_modules/@turf/bbox": {
       "version": "6.5.0",
       "resolved": "https://registry.npmjs.org/@turf/bbox/-/bbox-6.5.0.tgz",
@@ -22846,15 +22833,6 @@
       "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
       "integrity": "sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA=="
     },
-    "@turf/area": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/@turf/area/-/area-6.5.0.tgz",
-      "integrity": "sha512-xCZdiuojokLbQ+29qR6qoMD89hv+JAgWjLrwSEWL+3JV8IXKeNFl6XkEJz9HGkVpnXvQKJoRz4/liT+8ZZ5Jyg==",
-      "requires": {
-        "@turf/helpers": "^6.5.0",
-        "@turf/meta": "^6.5.0"
-      }
-    },
     "@turf/bbox": {
       "version": "6.5.0",
       "resolved": "https://registry.npmjs.org/@turf/bbox/-/bbox-6.5.0.tgz",
diff --git a/package.json b/package.json
index c0a00b0c..1d3dd195 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,6 @@
     "@sentry/node": "^6.16.1",
     "@sentry/types": "^6.16.1",
     "@sindresorhus/slugify": "^1.1.2",
-    "@turf/area": "^6.5.0",
     "@turf/center": "^6.5.0",
     "@turf/intersect": "^6.5.0",
     "@types/basic-auth": "^1.1.3",
diff --git a/src/api/graphql/resolvers/points.ts b/src/api/graphql/resolvers/points.ts
index 32f8f8b3..d0302da0 100644
--- a/src/api/graphql/resolvers/points.ts
+++ b/src/api/graphql/resolvers/points.ts
@@ -230,7 +230,7 @@ const sdomZonesInformationsGet = async (
   }
   const geojsonFeatures = geojsonFeatureMultiPolygon(points as ITitrePoint[])
 
-  const surface = geojsonSurface(geojsonFeatures as Feature)
+  const surface = await geojsonSurface(geojsonFeatures as Feature)
 
   const documentTypeIds = documentTypeIdsBySdomZonesGet(
     etapeSdomZones,
diff --git a/src/tools/geojson.ts b/src/tools/geojson.ts
index f7336ffc..72427ee7 100644
--- a/src/tools/geojson.ts
+++ b/src/tools/geojson.ts
@@ -2,8 +2,8 @@ import rewind from 'geojson-rewind'
 import center from '@turf/center'
 
 import { ITitrePoint, IGeometry } from '../types'
-import area from '@turf/area'
-import { Feature, FeatureCollection, Geometry } from '@turf/helpers'
+import { Feature } from '@turf/helpers'
+import { knex } from '../knex'
 
 // convertit des points
 // en un geojson de type 'MultiPolygon'
@@ -84,10 +84,14 @@ const geojsonCenter = (points: ITitrePoint[]) => {
   return center(geojson).geometry.coordinates
 }
 
-const geojsonSurface = (
-  geojson: Feature<any> | FeatureCollection<any> | Geometry
-) => {
-  return Number.parseFloat((area(geojson) / 1000000).toFixed(2))
+const geojsonSurface = async (geojson: Feature<any>) => {
+  const result: { rows: { area: number }[] } = await knex.raw(
+    `select ST_AREA(
+    ST_GeomFromGeoJSON('${JSON.stringify(geojson.geometry)}'), true) as area`
+  )
+  const area = result.rows[0].area
+
+  return Number.parseFloat((area / 1000000).toFixed(2))
 }
 
 export {