diff --git a/composer.json b/composer.json
index 192b49e8a0125c04d02813fd7e136281d91c138c..594c926f9a4015c0a6bc23c7a4f04f9479b2b913 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "require": {
         "simplesamlphp/composer-module-installer": "~1.0",
         "simplesamlphp/simplesamlphp": "~1.17",
-        "cesnet/simplesamlphp-module-perun": "~6.0",
+        "cesnet/simplesamlphp-module-perun": ">=6.0",
         "ext-json": "*",
         "ext-curl": "*"
     },