1. Eat more carbs
Start eating more carbs in your day. Carbs are a huge fundament for gaining muscle. They are an energy source for your muscles.
2. Start changing up your program
Start implementing strength workouts in every 2 weeks to get the most out of your regular program. Use different types of techniques.
3. Get more rest
Implement a rest day at least every five training days. This helps your muscles to rebuild and get more muscle gains.