diff --git a/composer.json b/composer.json
index 36b57bad..67fbd188 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
   "require": {
-    "php": "7.1.12",
+    "php": "7.1.33",
     "ext-gd": "*",
     "ext-mbstring": "*",
     "ext-sqlite3": "*",