diff --git a/web/src/components/timeline/EventReviewTimeline.tsx b/web/src/components/timeline/EventReviewTimeline.tsx
index fc0c9d16d..4b6735093 100644
--- a/web/src/components/timeline/EventReviewTimeline.tsx
+++ b/web/src/components/timeline/EventReviewTimeline.tsx
@@ -9,7 +9,7 @@ import {
 } from "react";
 import EventSegment from "./EventSegment";
 import { useEventUtils } from "@/hooks/use-event-utils";
-import { ReviewSegment } from "@/types/review";
+import { ReviewSegment, ReviewSeverity } from "@/types/review";
 
 export type EventReviewTimelineProps = {
   segmentDuration: number;
@@ -22,7 +22,7 @@ export type EventReviewTimelineProps = {
   minimapStartTime?: number;
   minimapEndTime?: number;
   events: ReviewSegment[];
-  severityType: string;
+  severityType: ReviewSeverity;
   contentRef: RefObject<HTMLDivElement>;
 };
 
diff --git a/web/src/components/timeline/EventSegment.tsx b/web/src/components/timeline/EventSegment.tsx
index 8aba4fb25..3650b5922 100644
--- a/web/src/components/timeline/EventSegment.tsx
+++ b/web/src/components/timeline/EventSegment.tsx
@@ -1,6 +1,6 @@
 import { useEventUtils } from "@/hooks/use-event-utils";
 import { useSegmentUtils } from "@/hooks/use-segment-utils";
-import { ReviewSegment } from "@/types/review";
+import { ReviewSegment, ReviewSeverity } from "@/types/review";
 import { useMemo } from "react";
 
 type EventSegmentProps = {
@@ -11,7 +11,7 @@ type EventSegmentProps = {
   showMinimap: boolean;
   minimapStartTime?: number;
   minimapEndTime?: number;
-  severityType: string;
+  severityType: ReviewSeverity;
 };
 
 type MinimapSegmentProps = {