diff --git a/README.md b/README.md
index cdf496e..685b57b 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ then to run:
 
 ### Tools
 
-Extensions(75) | Tools(50)
+Extensions(76) | Tools(50)
 ---------- | -----
 .* | [contents](http://pygments.org/) • metadata • [git_blame](https://git-scm.com/docs/git-blame) • [git_log](https://git-scm.com/docs/git-log)
 .py | [python_syntax](https://en.wikipedia.org/wiki/Python_syntax_and_semantics) • [python_unittests](https://docs.python.org/3/library/unittest.html) • [pydoc](https://docs.python.org/3/library/pydoc.html) • [mypy](http://www.mypy-lang.org/) • [python_coverage](http://nedbatchelder.com/code/coverage/) • [pycodestyle](https://pypi.python.org/pypi/pycodestyle) • [pydocstyle](http://pydocstyle.readthedocs.org/) • [pyflakes](https://launchpad.net/pyflakes) • [pylint](http://www.pylint.org/) • [python_gut](https://github.com/ahamilton/vigil/blob/master/gut.py) • [python_modulefinder](https://docs.python.org/3/library/modulefinder.html) • [dis](https://docs.python.org/3/library/dis.html) • [python_mccabe](https://github.com/flintwork/mccabe) • [bandit](https://wiki.openstack.org/wiki/Security/Projects/Bandit)
@@ -45,4 +45,4 @@ Extensions(75) | Tools(50)
 .go | [gofmt](https://golang.org) • [go_vet](https://golang.org) • [golint](https://github.com/golang/lint) • [godoc](http://golang.org/x/tools)
 .yaml .yml | [yamllint](https://github.com/adrienverge/yamllint)
 .md .epub .docx .odt .rst | [pandoc](https://pandoc.org/)
-.mkv .mka .mks .ogg .ogm .avi .wav .mpeg .mpg .vob .mp4 .mpgv .mpv .m1v .m2v .mp2 .mp3 .asf .wma .wmv .qt .mov .rm .rmvb .ra .ifo .ac3 .dts .aac .flac .aiff .aifc .au .iff | [mediainfo](https://mediaarea.net/MediaInfo)
+.mkv .mka .mks .ogg .ogm .avi .wav .mpeg .mpg .vob .mp4 .mpgv .mpv .m1v .m2v .mp2 .mp3 .asf .wma .wmv .qt .mov .rm .rmvb .ra .ifo .ac3 .dts .aac .flac .aiff .aifc .au .iff .flv | [mediainfo](https://mediaarea.net/MediaInfo)
diff --git a/vigil/tools.toml b/vigil/tools.toml
index 91cc61d..d93994a 100644
--- a/vigil/tools.toml
+++ b/vigil/tools.toml
@@ -31,7 +31,7 @@ tools_for_extensions = [
    [["mkv", "mka", "mks", "ogg", "ogm", "avi", "wav", "mpeg", "mpg", "vob",
      "mp4", "mpgv", "mpv", "m1v", "m2v", "mp2", "mp3", "asf", "wma", "wmv",
      "qt", "mov", "rm", "rmvb", "ra", "ifo", "ac3", "dts", "aac", "flac",
-     "aiff", "aifc", "au", "iff"], ["mediainfo"]],
+     "aiff", "aifc", "au", "iff", "flv"], ["mediainfo"]],
    ]
 
 [objdump_headers]