diff --git a/composer.json b/composer.json
index 51948d9..07ebe34 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "symfony/http-foundation": "^6.0"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "~1.5.5"
+        "simplesamlphp/simplesamlphp-test-framework": "~1.6.0"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-module-discopower/issues",