1 files changed, 1 insertions, 0 deletions

diff --git a/crates/ra_tools/Cargo.toml b/crates/ra_tools/Cargo.toml
index 1bb6fb71c..a40a452aa 100644
--- a/crates/ra_tools/Cargo.toml
+++ b/crates/ra_tools/Cargo.toml
@@ -11,6 +11,7 @@ walkdir = "2.1.3"
 itertools = "0.8.0"
 clap = "2.32.0"
 quote = "1.0.2"
+proc-macro2 = "1.0.1"
 ron = "0.5.1"
 heck = "0.3.0"
 serde = { version = "1.0.0", features = ["derive"] }