diff --git a/pyproject.toml b/pyproject.toml
index f515195dd3..c4acda6c9e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ classifiers = [
 ]
 license = {text="BSD"}
 dependencies = [
+  "borghash ~= 0.0.1",
   "borgstore ~= 0.1.0",
   "msgpack >=1.0.3, <=1.1.0",
   "packaging",