diff --git a/server/src/systemNotices/conditions.ts b/server/src/systemNotices/conditions.ts
index 616301a3..97dd3eac 100644
--- a/server/src/systemNotices/conditions.ts
+++ b/server/src/systemNotices/conditions.ts
@@ -30,9 +30,11 @@ function evaluateOne(condition: NoticeCondition, ctx: ConditionContext): boolean
       const userVersion = semver.valid(ctx.user.first_seen_version) ?? '0.0.0';
       const noticeVersion = semver.valid(condition.version);
       if (!noticeVersion) return false;
+      // Strip prerelease/build metadata so '3.0.0-pre.42' is treated as '3.0.0'.
+      const appVersion = semver.coerce(ctx.currentAppVersion)?.version ?? '0.0.0';
       return (
         semver.lt(userVersion, noticeVersion) &&
-        semver.gte(semver.valid(ctx.currentAppVersion) ?? '0.0.0', noticeVersion)
+        semver.gte(appVersion, noticeVersion)
       );
     }
 
diff --git a/server/tests/unit/systemNotices/conditions.test.ts b/server/tests/unit/systemNotices/conditions.test.ts
index 60f99fa2..de496180 100644
--- a/server/tests/unit/systemNotices/conditions.test.ts
+++ b/server/tests/unit/systemNotices/conditions.test.ts
@@ -40,6 +40,12 @@ describe('existingUserBeforeVersion', () => {
   it('fails when current app version < notice version', () => {
     expect(evaluate(notice, { ...baseCtx, currentAppVersion: '1.5.0' })).toBe(false);
   });
+  it('passes when current app version is a prerelease of the notice version', () => {
+    expect(evaluate(notice, { ...baseCtx, currentAppVersion: '2.0.0-pre.42' })).toBe(true);
+  });
+  it('passes when current app version is a prerelease beyond the notice version', () => {
+    expect(evaluate(notice, { ...baseCtx, currentAppVersion: '2.1.0-pre.1' })).toBe(true);
+  });
 });
 
 describe('dateWindow', () => {