diff --git a/bindings/javascript/package-lock.json b/bindings/javascript/package-lock.json
index d1207ce..9b54336 100644
--- a/bindings/javascript/package-lock.json
+++ b/bindings/javascript/package-lock.json
@@ -3493,9 +3493,9 @@
       }
     },
     "node_modules/zenroom": {
-      "version": "3.23.4",
-      "resolved": "https://registry.npmjs.org/zenroom/-/zenroom-3.23.4.tgz",
-      "integrity": "sha512-ZcgLydUXqviQzmehQy2bnuQiuPEhRBAGSLZZN3YiaIQ4uo6e5RjG3/EiRDFJV5shiKH09fhhb8ci5ORbd4kcoQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/zenroom/-/zenroom-4.0.0.tgz",
+      "integrity": "sha512-RRRwdJ7k4QKTB7XCLpmHpU9fPBwxjIX69SUiJVvwq1AX3xSUCFQLHOArMZu8PN7lYM5B4dwiihkiE9ZCR3YfNA==",
       "dependencies": {
         "yarn": "^1.22.19"
       }
diff --git a/restroom/package-lock.json b/restroom/package-lock.json
index 954e41c..d0d50a5 100644
--- a/restroom/package-lock.json
+++ b/restroom/package-lock.json
@@ -38,7 +38,7 @@
         "sqlite3": "^5.0.0",
         "swagger-ui-express": "^4.1.5",
         "web3": "1.7.0",
-        "zenroom": "^3.0.0"
+        "zenroom": "^4.0.0"
       },
       "devDependencies": {
         "ava": "^5.1.0",
@@ -8408,9 +8408,9 @@
       }
     },
     "node_modules/zenroom": {
-      "version": "3.23.4",
-      "resolved": "https://registry.npmjs.org/zenroom/-/zenroom-3.23.4.tgz",
-      "integrity": "sha512-ZcgLydUXqviQzmehQy2bnuQiuPEhRBAGSLZZN3YiaIQ4uo6e5RjG3/EiRDFJV5shiKH09fhhb8ci5ORbd4kcoQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/zenroom/-/zenroom-4.0.0.tgz",
+      "integrity": "sha512-RRRwdJ7k4QKTB7XCLpmHpU9fPBwxjIX69SUiJVvwq1AX3xSUCFQLHOArMZu8PN7lYM5B4dwiihkiE9ZCR3YfNA==",
       "dependencies": {
         "yarn": "^1.22.19"
       }
diff --git a/restroom/package.json b/restroom/package.json
index 995c677..6c07906 100644
--- a/restroom/package.json
+++ b/restroom/package.json
@@ -38,7 +38,7 @@
     "sqlite3": "^5.0.0",
     "swagger-ui-express": "^4.1.5",
     "web3": "1.7.0",
-    "zenroom": "^3.0.0"
+    "zenroom": "^4.0.0"
   },
   "devDependencies": {
     "ava": "^5.1.0",
diff --git a/restroom/yarn.lock b/restroom/yarn.lock
index a912d6e..033cf88 100644
--- a/restroom/yarn.lock
+++ b/restroom/yarn.lock
@@ -5313,9 +5313,9 @@ yocto-queue@^1.0.0:
   resolved "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.0.0.tgz"
   integrity sha512-9bnSc/HEW2uRy67wc+T8UwauLuPJVn28jb+GtJY16iiKWyvmYJRXVT4UamsAEGQfPohgr2q4Tq0sQbQlxTfi1g==
 
-zenroom@^3.0.0:
-  version "3.23.4"
-  resolved "https://registry.npmjs.org/zenroom/-/zenroom-3.23.4.tgz"
-  integrity sha512-ZcgLydUXqviQzmehQy2bnuQiuPEhRBAGSLZZN3YiaIQ4uo6e5RjG3/EiRDFJV5shiKH09fhhb8ci5ORbd4kcoQ==
+zenroom@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/zenroom/-/zenroom-4.0.0.tgz"
+  integrity sha512-RRRwdJ7k4QKTB7XCLpmHpU9fPBwxjIX69SUiJVvwq1AX3xSUCFQLHOArMZu8PN7lYM5B4dwiihkiE9ZCR3YfNA==
   dependencies:
     yarn "^1.22.19"