diff --git a/composer.json b/composer.json
index 40c14fc3..7710137b 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "php": ">=5.6.0",
         "danog/primemodule": "dev-master",
         "danog/magicalserializer": "dev-master",
-        "phpseclib/phpseclib": "dev-master#1a730d1",
+        "phpseclib/phpseclib": "dev-master#273ad17",
         "vlucas/phpdotenv": "^2.4",
         "erusev/parsedown": "^1.6",
         "rollbar/rollbar": "~1.1",