diff --git a/pyproject.toml b/pyproject.toml
index 0c25d9feb4..477525e9f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,8 @@ dependencies = [
   "platformdirs >=3.0.0, <5.0.0; sys_platform == 'darwin'",  # for macOS: breaking changes in 3.0.0,
   "platformdirs >=2.6.0, <5.0.0; sys_platform != 'darwin'",  # for others: 2.6+ works consistently.
   "argon2-cffi",
-  "borgstore",
+  "borgstore @ https://github.com/borgbackup/borgstore/archive/0.0.1a2.zip",
+
 ]
 
 [project.optional-dependencies]