diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 3cb3109..c2cea05 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -14,3 +14,4 @@
 # <full commit hash>  # rename something internal
 6e748726282d1acb9a4f9f264ee679c474c4b8f5  # Apply pygrade --36plus on IPython/core/tests/test_inputtransformer.py.
 0233e65d8086d0ec34acb8685b7a5411633f0899 # apply pyupgrade to IPython/extensions/tests/test_autoreload.py
+a6a7e4dd7e51b892147895006d3a2a6c34b79ae6 # apply black to IPython/extensions/tests/test_autoreload.py