diff --git a/composer.json b/composer.json
index 6994ba4..a505137 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 	],
 	"require": {
 		"php": ">=7.1.0",
-		"psr/log": "1.1.0"
+		"psr/log": "~1.1.0"
 	},
 	"require-dev": {
         "phpunit/phpunit": "^7",