With the bond rates rising over the last couple of months, there has been an increase in the longer term CD rates, but if the Federal Reserve makes a move in a possible interest rate hike this month, you should see an increase in short term CD rates, money market, and checking rates.
The T-bill rates index is the primary driver for the longer term CDs, 12 month and longer,
Rates for long term CDs (terms of 12 months and longer) are typically driven by the activity in the bond market. The bond market has been fairly active over the last couple of months, which is why you are seeing long term CD rates changing.