Thanks a lot. I tried brew install tesseract --HEAD and I still got version 3.05.02
➜ ~ brew install tesseract --HEAD
Warning: tesseract HEAD-9ce4d05 is already installed and up-to-date
To reinstall HEAD, run `brew reinstall tesseract`
➜ ~ brew reinstall tesseract
==> Reinstalling tesseract
Updating /Users/czhang/Library/Caches/Homebrew/tesseract--git
==> Checking out branch master
Already on 'master'
Your branch is up to date with 'origin/master'.
HEAD is now at 9ce4d05 Merge pull request #1812 from noahmetzger/winfix
Entering 'googletest'
Entering 'test'
==> ./autogen.sh
==> ./configure --prefix=/usr/local/Cellar/tesseract/HEAD-9ce4d05
==> make install
Updating /Users/czhang/Library/Caches/Homebrew/tesseract--tessdata-head--git
==> Checking out branch master
Already on 'master'
Your branch is up to date with 'origin/master'.
HEAD is now at 7274cfa Merge pull request #16 from Shreeshrii/master
🍺 /usr/local/Cellar/tesseract/HEAD-9ce4d05: 221 files, 673.6MB, built in 2 minutes 34 seconds
➜ ~ tesseract -v