diff --git a/Cargo.lock b/Cargo.lock
index 30c1adb..8f28afb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -88,6 +88,7 @@ dependencies = [
  "regex",
  "rustc-demangle",
  "same-file",
+ "serde",
  "supports-color 2.0.0",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index fdc44a3..ffb530e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ regex = "1"
 rustc-demangle = "0.1"
 same-file = "1.0.6"
 supports-color = "2.0"
-
+serde = "<=1.0.171"
 
 [dev-dependencies]
 bpaf = { version = "0.9.4", features = ["bpaf_derive", "autocomplete", "docgen"] }