As of December 23, 2016 U.S. Citizenship and Immigration Services fees will increase.
The complete table of increased fee could be found at: https://www.federalregister.gov/documents/2016/10/24/2016-25328/us-citizenship-and-immigration-services-fee-schedule

I-694	Notice of Appeal of Decision	755	890
I-698	Application to Adjust Status From Temporary to Permanent Resident (Under Section 245A of the INA)	1,020	1,670
I-751	Petition to Remove Conditions on Residence	505	595
I-765	Application for Employment Authorization	380	410
I-800A Supp. 3	Request for Action on Approved Form I-800A	360	385
I-817	Application for Family Unity Benefits	435	600
I-824	Application for Action on an Approved Application or Petition	405	465
I-829	Petition by Entrepreneur to Remove Conditions	3,750	3,750
I-910	Application for Civil Surgeon Designation	615	785
I-924 9	Application for Regional Center Designation Under the Immigrant Investor Program	6,230	17,795
I-924A	Annual Certification of Regional Center	0	3,035
I-929	Petition for Qualifying Family Member of a U-1 Nonimmigrant	215	230
N-300	Application to File Declaration of Intention	250	270
N-336	Request for Hearing on a Decision in Naturalization Proceedings	650	700
N-400	Application for Naturalization	595	640
N-470	Application to Preserve Residence for Naturalization Purposes	330	355
N-565	Application for Replacement Naturalization/Citizenship Document	345	555
N-600/N-600K	Application for Certification of Citizenship/Application for Citizenship and Issuance of Certificate under Section 322	10 600/550	1,170
	USCIS Immigrant Fee 11	165	220
	Biometric Services Fee	85	85