diff --git a/javascript/builtins/WebAssembly.json b/javascript/builtins/WebAssembly.json
index eec172efdedde3..72744f84867b25 100644
--- a/javascript/builtins/WebAssembly.json
+++ b/javascript/builtins/WebAssembly.json
@@ -107,7 +107,7 @@
                 "version_added": false
               },
               "nodejs": {
-                "version_added": false
+                "version_added": "18.1.0"
               },
               "oculus": "mirror",
               "opera": {
@@ -193,7 +193,7 @@
                 "version_added": false
               },
               "nodejs": {
-                "version_added": false
+                "version_added": "18.1.0"
               },
               "oculus": "mirror",
               "opera": {