diff --git a/package.json b/package.json
index 223b8da..c39d8a1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codes-postaux",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "French postal codes API for Node.js",
   "repository": "https://github.com/BaseAdresseNationale/codes-postaux",
   "keywords": [
@@ -29,7 +29,7 @@
     "lodash": "^4.17.21"
   },
   "devDependencies": {
-    "@etalab/decoupage-administratif": "3.0.0",
+    "@etalab/decoupage-administratif": "4.0.0",
     "ava": "^5.1.0",
     "csv-parser": "^3.0.0",
     "decompress": "^4.2.1",
diff --git a/yarn.lock b/yarn.lock
index 841d8e1..489474d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -38,10 +38,10 @@
     minimatch "^3.1.2"
     strip-json-comments "^3.1.1"
 
-"@etalab/decoupage-administratif@3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@etalab/decoupage-administratif/-/decoupage-administratif-3.0.0.tgz#1d0d54b5b884c3df9555b4b8db543f83559629d3"
-  integrity sha512-WlXHeArXK7zwcxoPev8NM3ncUjaIiBYiTmY1wh3X6RXITKjTwn3yaYdQqbPplTfFA/ByllG4Y4q4Jt0bCmbEzw==
+"@etalab/decoupage-administratif@4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@etalab/decoupage-administratif/-/decoupage-administratif-4.0.0.tgz#b5d048efc43a688312a42f6daa2bef93c0d2c63b"
+  integrity sha512-TMGZT4rFaQdkovoAZF5iMNJnxc2To8GXiC4x/N8Z5j6I0j29AeInE2Js86Wy9W2ZnjGFbKkSpmnsbLYwWYAFsw==
 
 "@humanwhocodes/config-array@^0.11.6":
   version "0.11.7"