diff --git a/composer.json b/composer.json
index 988bbbe..6f7c92e 100644
--- a/composer.json
+++ b/composer.json
@@ -14,11 +14,11 @@
         "ext-dom": "*",
         "ext-spl": "*",
 
-        "simplesamlphp/assert": "^1.0",
+        "simplesamlphp/assert": "^1.5",
         "simplesamlphp/composer-xmlprovider-installer": "~1.0.0",
         "simplesamlphp/saml2": "^5@dev",
-        "simplesamlphp/xml-security": "^1.7",
-        "simplesamlphp/xml-common": "^1.19"
+        "simplesamlphp/xml-security": "^1.10",
+        "simplesamlphp/xml-common": "^1.20"
     },
     "require-dev": {
         "simplesamlphp/simplesamlphp-test-framework": "^1.5"