diff --git a/composer.json b/composer.json
index 16b1986..a06f51f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,7 @@
         }
     ],
     "require": {
+        "php": ">=7.1",
         "hashids/hashids": "^3.0"
     }
 }
diff --git a/updates/version.yaml b/updates/version.yaml
index a6b9f20..01c1562 100644
--- a/updates/version.yaml
+++ b/updates/version.yaml
@@ -1 +1,2 @@
 1.0.0: First version of Vdlp.Hashids
+1.0.1: Add PHP >= 7.1 as dependency