diff --git a/src/server/webhooks/events/index.ts b/src/server/webhooks/events/index.ts
index be1f14c..5fbf626 100644
--- a/src/server/webhooks/events/index.ts
+++ b/src/server/webhooks/events/index.ts
@@ -2,3 +2,4 @@ export * from "./event.js"
 export * as pr from "./pr/index.js"
 export * as project from "./project/index.js"
 export * as repo from "./repo/index.js"
+export * from "./suggestion_state.js"
diff --git a/src/server/webhooks/events/pr/comment_added.ts b/src/server/webhooks/events/pr/comment_added.ts
index d6940d2..39057b0 100644
--- a/src/server/webhooks/events/pr/comment_added.ts
+++ b/src/server/webhooks/events/pr/comment_added.ts
@@ -7,6 +7,7 @@ import type {
 	SchemaRepository,
 	SchemaRestMinimalRef,
 } from "../../../openapi/openapi-typescript.js"
+import type { SuggestionState } from "../suggestion_state.js"
 
 export interface Actor {
 	readonly active: boolean
@@ -75,7 +76,7 @@ export interface Project {
 
 export interface Properties {
 	readonly repositoryId: number
-	readonly suggestionState: string
+	readonly suggestionState?: SuggestionState
 }
 
 export interface PullRequest {
diff --git a/src/server/webhooks/events/suggestion_state.ts b/src/server/webhooks/events/suggestion_state.ts
new file mode 100644
index 0000000..cd94caf
--- /dev/null
+++ b/src/server/webhooks/events/suggestion_state.ts
@@ -0,0 +1,6 @@
+export const suggestionState = {
+	UNAPPLIED: "UNAPPLIED",
+} as const
+
+export type SuggestionState =
+	(typeof suggestionState)[keyof typeof suggestionState]