diff --git a/composer.json b/composer.json
index 800f6d4..5ad5ad6 100644
--- a/composer.json
+++ b/composer.json
@@ -33,12 +33,12 @@
     "require": {
         "php": "^8.0",
 
-        "simplesamlphp/assert": "^1.0.4",
-        "simplesamlphp/simplesamlphp": "^3@dev",
-        "whitehat101/apr1-md5": "~1.0"
+        "simplesamlphp/assert": "^1.0",
+        "simplesamlphp/simplesamlphp": "^2.1",
+        "whitehat101/apr1-md5": "^1.0"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "^1.5.1"
+        "simplesamlphp/simplesamlphp-test-framework": "^1.5"
     },
     "support": {
         "issues": "https://github.com/simplesamlphp/simplesamlphp-module-authcrypt/issues",