diff --git a/Cargo.lock b/Cargo.lock
index da7d90b..df647c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -435,6 +435,7 @@ dependencies = [
 [[package]]
 name = "derivre"
 version = "0.1.0"
+source = "git+https://github.com/microsoft/derivre?rev=a629ecc9dfbd9297bc3a35a5f2028f4bfce91060#a629ecc9dfbd9297bc3a35a5f2028f4bfce91060"
 dependencies = [
  "ahash",
  "anyhow",