Disney Parks Blog reports that a ticket increase will take effect tomorrow (08/05/2010).

At Walt Disney World (Orlando, FL)
The base ticket price for a 1 day 1 park pass for kids (ages 3 – 9) will go up from $68 to $74
The base ticket price for a 1 day 1 park pass for adults (ages 10 and up) will go up from $79 to $82

At Disneyland Resort (Anaheim, CA)
The base ticket price for a 1 day 1 park pass for kids (ages 3 – 9) will go up from $62 to $68
The base ticket price for a 1 day 1 park pass for adults (ages 10 and up) will go up from $72 to $76

There will also be increases to multi-day, park-hopper and annual passes for the parks.

For a complete listing of all price changes you can take a look at the following links:

For Walt Disney World click here
For Disneyland Resort click here

Those who have already purchased tickets or season passes before August 5th will not need to pay any additional fees.