I am not able to perform a security upgrade of Drupal core with composer. I get "requirements could not be resolved." Here is my composer.json: https://pastebin.com/KxEQdPkt
Here is the response:
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Installation request for symfony/psr-http-message-bridge v0.2 -> satisfiable by symfony/psr-http-message-bridge[v0.2].
- drupal/core 8.3.2 requires symfony/psr-http-message-bridge ^1.0 -> satisfiable by symfony/psr-http-message-bridge[1.0.x-dev].
- drupal/core 8.3.3 requires symfony/psr-http-message-bridge ^1.0 -> satisfiable by symfony/psr-http-message-bridge[1.0.x-dev].
- drupal/core 8.3.x-dev requires symfony/psr-http-message-bridge ^1.0 -> satisfiable by symfony/psr-http-message-bridge[1.0.x-dev].
- drupal/core 8.4.x-dev requires symfony/psr-http-message-bridge ^1.0 -> satisfiable by symfony/psr-http-message-bridge[1.0.x-dev].
- Conclusion: don't install symfony/psr-http-message-bridge 1.0.x-dev
- Installation request for drupal/core ^8.3.2 -> satisfiable by drupal/core[8.3.2, 8.3.3, 8.3.x-dev, 8.4.x-dev].