diff --git a/packages/perseus-cli/Cargo.toml b/packages/perseus-cli/Cargo.toml
index 3cad130dde..0a2c2ba2f9 100644
--- a/packages/perseus-cli/Cargo.toml
+++ b/packages/perseus-cli/Cargo.toml
@@ -30,7 +30,7 @@ path = "tests/lib.rs"
 include_dir = "0.6"
 thiserror = "1"
 fmterr = "0.1"
-cargo_toml = "0.9"
+cargo_toml = "0.15"
 indicatif = "=0.17.0-beta.1" # Not stable, but otherwise error handling is just about impossible
 console = "0.14"
 serde = "1"