Getting stuck in a rut can be quite challenging, especially for graphic designers. After all, the demands of the job can be quite taxing and can easily take a toll on anyone. However, you should also know that creativity and inspiration can have a myriad of different sources. For instance, scouring the internet has been proven as one of the most effective ways to get the creative juices flowing.
Of course, this does not mean that you are limited by the works available online. After all, people have been pursuing creative endeavors even before the advent of the internet. As a number of great artists would tell you, nature serves as the greatest source of inspiration. It worked for all the greatest artists that came before you, so it should also do the trick for you. Just keep an open mind and welcome the possibilities. Look at the sunsets, the trees, or even the animals and take it all in. In time, you will be able to find what you are looking for.
So, take a step back and look around. Inspiration can strike anywhere.