diff --git a/math/composer.json b/math/composer.json
index a833c02..8aa0007 100644
--- a/math/composer.json
+++ b/math/composer.json
@@ -22,7 +22,8 @@
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
-        }
+        },
+        "lock": false
     },
     "autoload": {
         "psr-4": {
diff --git a/money/composer.json b/money/composer.json
index 1dd6a94..dc4fc34 100644
--- a/money/composer.json
+++ b/money/composer.json
@@ -22,7 +22,8 @@
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
-        }
+        },
+        "lock": false
     },
     "autoload": {
         "psr-4": {