diff --git a/lms/static/scripts/frontend_apps/components/GroupConfigSelector.tsx b/lms/static/scripts/frontend_apps/components/GroupConfigSelector.tsx
index b845b41a20..13740f7e66 100644
--- a/lms/static/scripts/frontend_apps/components/GroupConfigSelector.tsx
+++ b/lms/static/scripts/frontend_apps/components/GroupConfigSelector.tsx
@@ -77,7 +77,7 @@ function GroupSelect({
         buttonContent={
           loading
             ? 'Fetching group sets…'
-            : selectedGroupSet?.name ?? 'Select group set'
+            : (selectedGroupSet?.name ?? 'Select group set')
         }
       >
         {groupSets?.map(gs => (
diff --git a/lms/static/scripts/frontend_apps/components/SubmitGradeForm.tsx b/lms/static/scripts/frontend_apps/components/SubmitGradeForm.tsx
index d1402331f5..d3e63ddef7 100644
--- a/lms/static/scripts/frontend_apps/components/SubmitGradeForm.tsx
+++ b/lms/static/scripts/frontend_apps/components/SubmitGradeForm.tsx
@@ -168,7 +168,7 @@ export default function SubmitGradeForm({
     }
 
     const newComment = acceptComments
-      ? draftGrading.comment ?? grade.data?.comment
+      ? (draftGrading.comment ?? grade.data?.comment)
       : undefined;
 
     setGradeSaving(true);
diff --git a/lms/static/scripts/frontend_apps/components/dashboard/DashboardActivityFilters.tsx b/lms/static/scripts/frontend_apps/components/dashboard/DashboardActivityFilters.tsx
index 9397fb9330..c99313f62c 100644
--- a/lms/static/scripts/frontend_apps/components/dashboard/DashboardActivityFilters.tsx
+++ b/lms/static/scripts/frontend_apps/components/dashboard/DashboardActivityFilters.tsx
@@ -151,9 +151,9 @@ function SegmentsMultiSelect({ segments }: { segments: SegmentsSelection }) {
             All {segmentsName}
           </ContentWithBadge>
         ) : segments.selectedIds.length === 1 ? (
-          segments.entries.find(
+          (segments.entries.find(
             s => s.h_authority_provided_id === segments.selectedIds[0],
-          )?.name ?? `1 ${segmentNameSingular}`
+          )?.name ?? `1 ${segmentNameSingular}`)
         ) : (
           <>
             {segments.selectedIds.length} {segmentsName}
@@ -299,8 +299,8 @@ export default function DashboardActivityFilters({
               All courses
             </ContentWithBadge>
           ) : selectedCourseIds.length === 1 ? (
-            coursesResult.data?.find(c => `${c.id}` === selectedCourseIds[0])
-              ?.title ?? '1 course'
+            (coursesResult.data?.find(c => `${c.id}` === selectedCourseIds[0])
+              ?.title ?? '1 course')
           ) : (
             <>{selectedCourseIds.length} courses</>
           )
@@ -339,9 +339,9 @@ export default function DashboardActivityFilters({
               All assignments
             </ContentWithBadge>
           ) : selectedAssignmentIds.length === 1 ? (
-            assignmentsResults.data?.find(
+            (assignmentsResults.data?.find(
               a => `${a.id}` === selectedAssignmentIds[0],
-            )?.title ?? '1 assignment'
+            )?.title ?? '1 assignment')
           ) : (
             <>{selectedAssignmentIds.length} assignments</>
           )
@@ -373,9 +373,9 @@ export default function DashboardActivityFilters({
               All students
             </ContentWithBadge>
           ) : students.selectedIds.length === 1 ? (
-            studentsResult.data?.find(
+            (studentsResult.data?.find(
               s => s.h_userid === students.selectedIds[0],
-            )?.display_name ?? '1 student'
+            )?.display_name ?? '1 student')
           ) : (
             <>{students.selectedIds.length} students</>
           )
diff --git a/package.json b/package.json
index 3c5ad932e1..5e0b754954 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "karma-source-map-support": "^1.4.0",
     "mocha": "^10.2.0",
     "navigation-api-types": "^0.5.1",
-    "prettier": "3.2.5",
+    "prettier": "3.4.2",
     "sinon": "^19.0.2",
     "typescript": "^5.2.2",
     "typescript-eslint": "^8.16.0"
diff --git a/yarn.lock b/yarn.lock
index f049f3673c..20d0688063 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7340,7 +7340,7 @@ __metadata:
     normalize.css: ^8.0.1
     postcss: ^8.4.47
     preact: ^10.25.1
-    prettier: 3.2.5
+    prettier: 3.4.2
     rollup: ^4.28.0
     sass: ^1.80.5
     sinon: ^19.0.2
@@ -8657,12 +8657,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:3.2.5":
-  version: 3.2.5
-  resolution: "prettier@npm:3.2.5"
+"prettier@npm:3.4.2":
+  version: 3.4.2
+  resolution: "prettier@npm:3.4.2"
   bin:
     prettier: bin/prettier.cjs
-  checksum: 2ee4e1417572372afb7a13bb446b34f20f1bf1747db77cf6ccaf57a9be005f2f15c40f903d41a6b79eec3f57fff14d32a20fb6dee1f126da48908926fe43c311
+  checksum: 061c84513db62d3944c8dc8df36584dad82883ce4e49efcdbedd8703dce5b173c33fd9d2a4e1725d642a3b713c932b55418342eaa347479bc4a9cca114a04cd0
   languageName: node
   linkType: hard