1 files changed, 1 insertions, 0 deletions

diff --git a/crates/ra_hir_def/Cargo.toml b/crates/ra_hir_def/Cargo.toml
index 7e65f4c1d..cf3a446fc 100644
--- a/crates/ra_hir_def/Cargo.toml
+++ b/crates/ra_hir_def/Cargo.toml
@@ -11,6 +11,7 @@ doctest = false
 log = "0.4.5"
 once_cell = "1.0.1"
 rustc-hash = "1.0"
+either = "1.5"
 
 ra_arena = { path = "../ra_arena" }
 ra_db = { path = "../ra_db" }