diff --git a/README.md b/README.md
index 5e44db8..3ad3591 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Eris maintains an up-to-date set of reports for every file in a codebase.
 
 Install eris directly using pip, and apt install the tools eris relies on:
 
+    pip install --upgrade pip  # A recent version of pip is needed.
     pip install git+https://github.com/ahamilton/eris@v2021.12.24#subdirectory=eris
     eris --apt-install-tools
 
@@ -47,7 +48,7 @@ Then to run:
 
 ## Tools
 
-File types(100) | Tools(58)
+File types(101) | Tools(58)
 ----------:| -----
 .* | [contents](http://pygments.org/) • [metadata](https://github.com/ahamilton/eris) • [git_diff](https://git-scm.com/docs/git-diff) • [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) • [pytest](https://docs.pytest.org/en/latest/) • [pydoc](https://docs.python.org/3/library/pydoc.html) • [mypy](http://mypy-lang.org/) • [python_coverage](https://coverage.readthedocs.io/) • [pycodestyle](http://pycodestyle.pycqa.org/en/latest/) • [pydocstyle](http://www.pydocstyle.org/en/2.1.1/usage.html) • [pyflakes](https://pypi.org/project/pyflakes/) • [pylint](https://www.pylint.org/) • [python_gut](https://github.com/ahamilton/eris) • [python_mccabe](https://pypi.org/project/mccabe/) • [bandit](https://pypi.org/project/bandit/)
@@ -78,7 +79,7 @@ File types(100) | Tools(58)
 .so | [nm](https://linux.die.net/man/1/nm)
 .deb | [dpkg_contents](https://wiki.debian.org/Teams/Dpkg) • [dpkg_info](https://wiki.debian.org/Teams/Dpkg)
 .rpm | [rpm](http://rpm.org/)
-.png .jpg .gif .bmp .tif .tiff .tga .ico .xpm | [mediainfo](https://mediaarea.net/MediaInfo) • [pil](http://python-pillow.github.io/)
+.png .jpg .jpeg .gif .bmp .tif .tiff .tga .ico .xpm | [mediainfo](https://mediaarea.net/MediaInfo) • [pil](http://python-pillow.github.io/)
 .svg .svgz | [cairosvg](https://cairosvg.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 .flv .srt .ssa .ass .sami | [mediainfo](https://mediaarea.net/MediaInfo)
 .iso | [isoinfo](https://manpages.debian.org/jessie/genisoimage/isoinfo.1.en.html)
diff --git a/install b/install
index 298348b..68c6563 100755
--- a/install
+++ b/install
@@ -5,6 +5,7 @@ set -e
 
 
 sudo apt-get install -y python3.9 python3-pip
+python3.9 -m pip install --upgrade pip
 python3.9 -m pip install $1 ./eris
 eris --apt-install-tools
 # When developing...
diff --git a/packaging/make-readme.py b/packaging/make-readme.py
index ca68099..1777590 100755
--- a/packaging/make-readme.py
+++ b/packaging/make-readme.py
@@ -26,6 +26,7 @@ Eris maintains an up-to-date set of reports for every file in a codebase.
 
 Install eris directly using pip, and apt install the tools eris relies on:
 
+    pip install --upgrade pip  # A recent version of pip is needed.
     pip install git+https://github.com/ahamilton/eris@v2021.12.24#subdirectory=eris
     eris --apt-install-tools