diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 000000000..8e603d86f
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Black formatting
+3789fdd9225f5bf7f871af1e69ae11cca90cd555
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5db79c7bd..b46233eae 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,6 +8,8 @@ its providers and its documentation.
 ## General recommendations
 
 - The codebase uses [black] for formatting, with `line-length` set to `79`.
+- Install [black] inside your virtual environment using pip instead of using
+Debian packages from apt, as the versions in pip are more up-to-date.
 - Use `git config blame.ignoreRevsFile .git-blame-ignore-revs` if you want to
 [ignore commits related to black formatting].
 - Setup your editor of choice to run [autopep8] on save. This helps keep