Getting an error when updating our model

Getting an error when updating our model to gpt-4-0613. Getting the following error -

Error - Unknown model: gpt-4-0613. Please provide a valid OpenAI model name.Known models are: gpt-4, gpt-4-0314, gpt-4-32k, gpt-4-32k-0314, gpt-3.5-turbo, gpt-3.5-turbo-0301, text-ada-001, ada, text-babbage-001, babbage, text-curie-001, curie, davinci, text-davinci-003, text-davinci-002, code-davinci-002, code-davinci-001, code-cushman-002, code-cushman-001.

Anyone facing this while updating their model version?

PS - Have updated openai library to 0.27.8