diff --git a/commit0/data/test_ids/humanize.bz2 b/commit0/data/test_ids/humanize.bz2
new file mode 100644
index 00000000..eff1d6f1
Binary files /dev/null and b/commit0/data/test_ids/humanize.bz2 differ
diff --git a/commit0/harness/constants.py b/commit0/harness/constants.py
index c66834bb..7537e8a2 100644
--- a/commit0/harness/constants.py
+++ b/commit0/harness/constants.py
@@ -159,6 +159,7 @@ def items(self) -> ItemsView[str, object]:
     "parsel",
     "wcwidth",
     "deprecated",
+    "humanize",
 ]
 SPLIT_MINITORCH = ["minitorch"]
 SPLIT_SIMPY = ["simpy"]
@@ -216,6 +217,7 @@ def items(self) -> ItemsView[str, object]:
 SPLIT_PARSEL = ["parsel"]
 SPLIT_WCWIDTH = ["wcwidth"]
 SPLIT_DEPRECATED = ["deprecated"]
+SPLIT_HUMANIZE = ["humanize"]
 
 SPLIT = {
     "all": SPLIT_ALL,
@@ -276,6 +278,7 @@ def items(self) -> ItemsView[str, object]:
     "parsel": SPLIT_PARSEL,
     "wcwidth": SPLIT_WCWIDTH,
     "deprecated": SPLIT_DEPRECATED,
+    "humanize": SPLIT_HUMANIZE,
 }