diff --git a/main.cpp b/main.cpp
index 8b67766..79f7844 100644
--- a/main.cpp
+++ b/main.cpp
@@ -20,6 +20,8 @@ int main(int argc, char *argv[])
         return -1;
     }
 
+    // Useful information in case of upgrade
+    qDebug() << "Required version of OpenSSL: " << QSslSocket::sslLibraryBuildVersionString();
 
     if(!AccountHelper::SignedIn()) {
         (new LoginWindow())->show();