diff --git a/src/app/issues/issues.css b/src/app/issues/issues.css
index 6a9f3bf..e628db9 100644
--- a/src/app/issues/issues.css
+++ b/src/app/issues/issues.css
@@ -32,5 +32,28 @@
   font-weight: 700;
 }
 
+.sortable-col {
+  cursor: pointer;
+  user-select: none;
+  white-space: nowrap;
+}
+
+.sortable-col:hover {
+  background-color: #e9ecef;
+}
+
+.sortable-col.sorted {
+  color: #2563eb;
+}
+
+.sort-icon {
+  font-size: 0.75rem;
+  margin-left: 0.25rem;
+}
+
+.sort-icon--idle {
+  color: #adb5bd;
+}
+
 
 
diff --git a/src/app/issues/issues.html b/src/app/issues/issues.html
index 11adf5c..887e456 100644
--- a/src/app/issues/issues.html
+++ b/src/app/issues/issues.html
@@ -165,7 +165,17 @@
           <th>#</th>
           <th>Titre</th>
           <th>Type</th>
-          <th>Priorite</th>
+          <th
+            class="sortable-col"
+            (click)="toggleSortPriority()"
+            [class.sorted]="sortPriority !== null"
+            title="Trier par priorité"
+          >
+            Priorité
+            @if (sortPriority === 'desc') { <span class="sort-icon">↓</span> }
+            @else if (sortPriority === 'asc') { <span class="sort-icon">↑</span> }
+            @else { <span class="sort-icon sort-icon--idle">⇅</span> }
+          </th>
           <th>Statut</th>
           <th>Milestone</th>
           <th>Assignee</th>
diff --git a/src/app/issues/issues.spec.ts b/src/app/issues/issues.spec.ts
index 2de6c9f..79358be 100644
--- a/src/app/issues/issues.spec.ts
+++ b/src/app/issues/issues.spec.ts
@@ -356,6 +356,59 @@ describe('Issues', () => {
     });
   });
 
+  describe('sortPriority — toggleSortPriority', () => {
+    it('starts with no sort active', () => {
+      expect((component as any).sortPriority).toBeNull();
+    });
+
+    it('first toggle sets sort to desc (highest first)', () => {
+      (component as any).toggleSortPriority();
+      expect((component as any).sortPriority).toBe('desc');
+    });
+
+    it('second toggle sets sort to asc (lowest first)', () => {
+      (component as any).sortPriority = 'desc';
+      (component as any).toggleSortPriority();
+      expect((component as any).sortPriority).toBe('asc');
+    });
+
+    it('third toggle resets sort to null', () => {
+      (component as any).sortPriority = 'asc';
+      (component as any).toggleSortPriority();
+      expect((component as any).sortPriority).toBeNull();
+    });
+  });
+
+  describe('filteredIssues — priority sort', () => {
+    beforeEach(() => {
+      store.upsert(makeIssue({ id: 10, name: 'Très haute', priority: 'TRES_HAUTE' }));
+      store.upsert(makeIssue({ id: 11, name: 'Basse', priority: 'BASSE' }));
+      store.upsert(makeIssue({ id: 12, name: 'Haute', priority: 'HAUTE' }));
+    });
+
+    it('does not reorder issues when sortPriority is null', () => {
+      (component as any).sortPriority = null;
+      const ids = (component as any).filteredIssues.map((i: IssueEntity) => i.id);
+      expect(ids).toEqual(store.issues().map((i) => i.id));
+    });
+
+    it('sorts highest priority first when sortPriority is desc', () => {
+      (component as any).sortPriority = 'desc';
+      const priorities = (component as any).filteredIssues.map((i: IssueEntity) => i.priority);
+      const order = ['TRES_HAUTE', 'HAUTE', 'MOYENNE', 'BASSE', 'TRES_FAIBLE'];
+      const indices = priorities.map((p: string) => order.indexOf(p));
+      expect(indices).toEqual([...indices].sort((a, b) => a - b));
+    });
+
+    it('sorts lowest priority first when sortPriority is asc', () => {
+      (component as any).sortPriority = 'asc';
+      const priorities = (component as any).filteredIssues.map((i: IssueEntity) => i.priority);
+      const order = ['TRES_HAUTE', 'HAUTE', 'MOYENNE', 'BASSE', 'TRES_FAIBLE'];
+      const indices = priorities.map((p: string) => order.indexOf(p));
+      expect(indices).toEqual([...indices].sort((a, b) => b - a));
+    });
+  });
+
   describe('createIssue', () => {
     it('navigates to /projects/:pid/issues/new', () => {
       const spy = vi.spyOn(router, 'navigate').mockResolvedValue(true);
diff --git a/src/app/issues/issues.ts b/src/app/issues/issues.ts
index 5e59570..6f55ecf 100644
--- a/src/app/issues/issues.ts
+++ b/src/app/issues/issues.ts
@@ -57,6 +57,12 @@ export class Issues {
     'TRES_HAUTE', 'HAUTE', 'MOYENNE', 'BASSE', 'TRES_FAIBLE',
   ];
 
+  private readonly PRIORITY_ORDER: Record<IssuePriority, number> = {
+    TRES_HAUTE: 0, HAUTE: 1, MOYENNE: 2, BASSE: 3, TRES_FAIBLE: 4,
+  };
+
+  protected sortPriority: 'desc' | 'asc' | null = null;
+
   protected readonly statusOptions = this.statusesStore.statuses;
 
   protected getMilestoneForIssue(issueId: number): MilestoneEntity | undefined {
@@ -66,7 +72,7 @@ export class Issues {
   protected get filteredIssues(): IssueEntity[] {
     const q = this.searchQuery.trim().toLowerCase();
     const milestoneActive = this.selectedMilestoneIds.size > 0 || this.showNoMilestone;
-    return this.issues().filter((i) => {
+    const filtered = this.issues().filter((i) => {
       if (this.selectedTypes.size > 0 && !this.selectedTypes.has(i.type)) return false;
       if (this.selectedStatuses.size > 0 && !this.selectedStatuses.has(i.status)) return false;
       if (this.selectedPriorities.size > 0 && !this.selectedPriorities.has(i.priority)) return false;
@@ -79,6 +85,17 @@ export class Issues {
       if (q && !i.name.toLowerCase().includes(q)) return false;
       return true;
     });
+    if (this.sortPriority === null) return filtered;
+    const dir = this.sortPriority === 'desc' ? 1 : -1;
+    return [...filtered].sort(
+      (a, b) => (this.PRIORITY_ORDER[a.priority] - this.PRIORITY_ORDER[b.priority]) * dir,
+    );
+  }
+
+  protected toggleSortPriority(): void {
+    if (this.sortPriority === null) this.sortPriority = 'desc';
+    else if (this.sortPriority === 'desc') this.sortPriority = 'asc';
+    else this.sortPriority = null;
   }
 
   protected toggleDropdown(name: 'type' | 'status' | 'priority' | 'milestone', event: Event): void {