diff --git a/composer.json b/composer.json
index 5e966ed9..a122ec2c 100644
--- a/composer.json
+++ b/composer.json
@@ -54,8 +54,8 @@
         "ext-zip": "*",
         "ext-zlib": "*",
         "maennchen/zipstream-php": "^2.1",
-        "markbaker/complex": "^1.4",
-        "markbaker/matrix": "^1.2",
+        "markbaker/complex": "^1.5|^2.0",
+        "markbaker/matrix": "^1.2|^2.0",
         "psr/simple-cache": "^1.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0"