diff --git a/Cargo.lock b/Cargo.lock
index 49f39537c0..0fdb366c1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1331,6 +1331,7 @@ dependencies = [
  "proc-macro-test",
  "span",
  "stdx",
+ "syntax",
  "tt",
 ]
 
diff --git a/crates/proc-macro-srv/Cargo.toml b/crates/proc-macro-srv/Cargo.toml
index ba17ea6f7b..d0cdc51c3c 100644
--- a/crates/proc-macro-srv/Cargo.toml
+++ b/crates/proc-macro-srv/Cargo.toml
@@ -29,6 +29,7 @@ paths.workspace = true
 base-db.workspace = true
 span.workspace = true
 proc-macro-api.workspace = true
+syntax.workspace = true
 
 [dev-dependencies]
 expect-test = "1.4.0"