diff --git a/composer.json b/composer.json
index ecac924..a02592e 100644
--- a/composer.json
+++ b/composer.json
@@ -31,9 +31,9 @@
   ],
   "require": {
     "php": ">=7.3",
-    "oxid-esales/oxideshop-ce": "6.8 - 6.14",
+    "oxid-esales/oxideshop-ce": "6.10 - 6.14",
     "pear/net_smtp": "^1.11",
-    "mika56/spfcheck": "^1.1.7|^2.1.1",
+    "mika56/spfcheck": "^2.1.1",
     "beberlei/assert": "^3.3"
   },
   "require-dev": {