diff --git a/benches/bench-libproc-macro/Cargo.toml b/benches/bench-libproc-macro/Cargo.toml
index 41d106da..5f8e56b0 100644
--- a/benches/bench-libproc-macro/Cargo.toml
+++ b/benches/bench-libproc-macro/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "bench-libproc-macro"
 version = "0.0.0"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 publish = false
 
diff --git a/tests/ui/Cargo.toml b/tests/ui/Cargo.toml
index dbd580b3..1e651690 100644
--- a/tests/ui/Cargo.toml
+++ b/tests/ui/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "proc-macro2-ui-test"
 version = "0.0.0"
+authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 publish = false