diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58ef9b7b..4e7abc18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- `libcnb-data`:
+  - The working directory for launch processes specifying a `WorkingDirectory::Directory` value is now respected. ([#831](https://github.com/heroku/libcnb.rs/pull/831))
 
 ## [0.21.0] - 2024-04-30
 
diff --git a/libcnb-data/src/launch.rs b/libcnb-data/src/launch.rs
index d9e500b9..c5be1b5a 100644
--- a/libcnb-data/src/launch.rs
+++ b/libcnb-data/src/launch.rs
@@ -114,7 +114,7 @@ pub struct Process {
     #[serde(default, skip_serializing_if = "std::ops::Not::not")]
     pub default: bool,
     #[serde(
-        rename = "working-directory",
+        rename = "working-dir",
         default,
         skip_serializing_if = "WorkingDirectory::is_app"
     )]
@@ -405,7 +405,7 @@ command = ["foo"]
             r#"type = "web"
 command = ["foo"]
 default = true
-working-directory = "dist"
+working-dir = "dist"
 "#
         );
     }