diff --git a/dist/index.js b/dist/index.js
index f47a34b..57f57a9 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -29407,7 +29407,7 @@ async function run() {
                     commit_url: getCommitUrl(),
                 },
                 platform,
-                environment,
+                environment: environment.toLowerCase(),
                 github_actor: await getActor(),
             })
         });
diff --git a/src/main.ts b/src/main.ts
index d5d5a77..696ad2f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -198,7 +198,7 @@ export async function run(): Promise<void> {
           commit_url: getCommitUrl(),
         },
         platform,
-        environment,
+        environment: environment.toLowerCase(),
         github_actor: await getActor(),
       })
     });