diff --git a/tests/ui-cargo/cargo_common_metadata/pass_publish_empty/Cargo.toml b/tests/ui-cargo/cargo_common_metadata/pass_publish_empty/Cargo.toml
index ae0a60329962..0a879c99b5bd 100644
--- a/tests/ui-cargo/cargo_common_metadata/pass_publish_empty/Cargo.toml
+++ b/tests/ui-cargo/cargo_common_metadata/pass_publish_empty/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo_common_metadata"
 version = "0.1.0"
-publish = false
+publish = []
 
 [workspace]
diff --git a/tests/ui-cargo/cargo_common_metadata/pass_publish_false/Cargo.toml b/tests/ui-cargo/cargo_common_metadata/pass_publish_false/Cargo.toml
index 0a879c99b5bd..ae0a60329962 100644
--- a/tests/ui-cargo/cargo_common_metadata/pass_publish_false/Cargo.toml
+++ b/tests/ui-cargo/cargo_common_metadata/pass_publish_false/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo_common_metadata"
 version = "0.1.0"
-publish = []
+publish = false
 
 [workspace]