It was the third time in four months that the index has increased 0.1 percent. The food index rose 0.2 percent in June, the third time in four months that it has increased by 0.2 percent.
Major grocery store food groups were mixed in June, with three rising and three declining.
The fruits and vegetables index was the big mover, rising 1.3 percent to 283.7. The index was led by the fresh vegetables index, which increased 3.2 percent in June.
The index for meats, poultry, fish, and eggs rose 0.2 percent after falling 0.5 percent in May. Meanwhile, the index for nonalcoholic beverages rose 0.1 percent to 167.8. The index declined 0.6 percent in May.
In contrast, the index for cereals and bakery products declined 0.4 percent in June after falling 0.1 percent in May. The index for dairy and related products fell 0.3 percent in June, its fifth consecutive decline, and the index for other food at home fell 0.1 percent.
The food at home index has increased 2.6 percent over the past 12 months, with all six major grocery store food groups rising from a range of 0.9 percent (nonalcoholic beverages) to 4.1 percent (other food at home).
The overall Consumer Price Index, which fell 0.3 percent in May, was flat in June. The index has increased 1.7 percent over the past 12 months.