diff --git a/composer.json b/composer.json
index b63f5d7..db63be8 100644
--- a/composer.json
+++ b/composer.json
@@ -42,15 +42,15 @@
     },
     "require": {
         "php": "^8.1||^8.2",
-        "tiny-blocks/serializer": "1.*",
-        "psr/http-message": "2.*",
+        "tiny-blocks/serializer": "^1.0",
+        "psr/http-message": "^1.1",
         "ext-mbstring": "*"
     },
     "require-dev": {
-        "infection/infection": "0.*",
-        "phpmd/phpmd": "2.*",
-        "phpunit/phpunit": "9.*",
-        "squizlabs/php_codesniffer": "3.*"
+        "infection/infection": "^0.27",
+        "phpmd/phpmd": "^2.13",
+        "phpunit/phpunit": "^9.6",
+        "squizlabs/php_codesniffer": "^3.7"
     },
     "suggest": {
         "ext-mbstring": "Provides multibyte-specific string functions that help us deal with multibyte encodings in PHP."