flex row with dynamic height add bottom space then start shrink

Question

I have dynamic height row: max-height: 100px;

Then items start shrink appear free space on bottom row, how i can fix this?

.imagesRow {
    display: flex;
    max-height: 100px;
    border: 1px solid red;
    width: 600px;
}

img {
    max-height: 100px;
    max-width: 100%;
}

http://jsfiddle.net/tfm23o0u/