diff --git a/git_of_theseus/analyze.py b/git_of_theseus/analyze.py
index 303cbb0..55fd6f3 100644
--- a/git_of_theseus/analyze.py
+++ b/git_of_theseus/analyze.py
@@ -254,6 +254,8 @@ def analyze(
     blame_kwargs = {}
     if ignore_whitespace:
         blame_kwargs["w"] = True
+    if (Path(repo_dir) / ".git-blame-ignore-revs").exists():
+        blame_kwargs["ignore-revs-file"] = ".git-blame-ignore-revs"
     master_commits = []  # only stores a subset
     commit2cohort = {}
     curve_key_tuples = set()  # Keys of each curve that will be tracked