diff --git a/.arclint b/.arclint
index e7f15a0..3127d4e 100644
--- a/.arclint
+++ b/.arclint
@@ -1,50 +1,49 @@
 {
   "exclude": [
     "(^externals/)",
     "(^src/console/__tests__/wrap/.*\\.txt(\\.expect)?$)",
     "(^src/markup/engine/__tests__/remarkup/.*\\.txt$)",
     "(^src/markup/syntax/highlighter/__tests__/xhpast/.*\\.(expect|source)$)"
   ],
   "linters": {
     "chmod": {
       "type": "chmod"
     },
     "filename": {
       "type": "filename"
     },
     "generated": {
       "type": "generated"
     },
     "merge-conflict": {
       "type": "merge-conflict"
     },
     "nolint": {
       "type": "nolint"
     },
     "phutil-xhpast": {
       "type": "phutil-xhpast",
       "include": "(\\.php$)"
     },
     "phutil-library": {
       "type": "phutil-library",
       "include": "(\\.php$)"
     },
     "text": {
       "type": "text"
     },
     "spelling": {
       "type": "spelling"
     },
     "xhpast": {
       "type": "xhpast",
       "include": "(\\.php$)",
       "severity": {
         "16": "advice",
-        "29": "warning",
-        "31": "error",
-        "34": "error",
-        "35": "error"
-      }
+        "34": "error"
+      },
+      "xhpast.php-version": "5.2.3",
+      "xhpast.php-version.windows": "5.3.0"
     }
   }
 }