diff --git a/src/app/api/evaluations/[id]/route.ts b/src/app/api/evaluations/[id]/route.ts
index 32535db..802174e 100644
--- a/src/app/api/evaluations/[id]/route.ts
+++ b/src/app/api/evaluations/[id]/route.ts
@@ -118,7 +118,7 @@ export async function PUT(
     const { id } = await params;
     const body = await req.json();
 
-    const { candidateName, candidateRole, candidateTeam, evaluatorName, evaluationDate, status, findings, recommendations, dimensionScores } = body;
+    const { candidateName, candidateRole, candidateTeam, evaluatorName, evaluationDate, status, findings, recommendations, dimensionScores, isPublic } = body;
 
     const existing = await prisma.evaluation.findUnique({ where: { id } });
     if (!existing) {
@@ -146,6 +146,7 @@ export async function PUT(
     if (status != null) updateData.status = status;
     if (findings != null) updateData.findings = findings;
     if (recommendations != null) updateData.recommendations = recommendations;
+    if (typeof isPublic === "boolean") updateData.isPublic = isPublic;
 
     if (Object.keys(updateData).length > 0) {
       await prisma.auditLog.create({
diff --git a/src/app/evaluations/[id]/page.tsx b/src/app/evaluations/[id]/page.tsx
index 2c28c8f..26ebc09 100644
--- a/src/app/evaluations/[id]/page.tsx
+++ b/src/app/evaluations/[id]/page.tsx
@@ -45,6 +45,7 @@ interface Evaluation {
   recommendations: string | null;
   dimensionScores: DimensionScore[];
   sharedWith?: { id: string; user: { id: string; email: string; name: string | null } }[];
+  isPublic?: boolean;
 }
 
 export default function EvaluationDetailPage() {
@@ -168,6 +169,7 @@ export default function EvaluationDetailPage() {
           status: toSave.status,
           findings: toSave.findings,
           recommendations: toSave.recommendations,
+          isPublic: toSave.isPublic ?? false,
           dimensionScores: (toSave.dimensionScores ?? []).map((ds) => ({
             dimensionId: ds.dimensionId,
             evaluationId: id,
@@ -258,6 +260,20 @@ export default function EvaluationDetailPage() {
           >
             {saving ? "..." : "save"}
           </button>
+          <button
+            onClick={() => {
+              const next = !(evaluation.isPublic ?? false);
+              setEvaluation((e) => (e ? { ...e, isPublic: next } : null));
+              handleSave(evaluation ? { ...evaluation, isPublic: next } : null);
+            }}
+            className={`rounded border px-3 py-1.5 font-mono text-xs ${
+              evaluation.isPublic
+                ? "border-emerald-500/50 bg-emerald-500/20 text-emerald-600 dark:text-emerald-400"
+                : "border-zinc-300 dark:border-zinc-600 bg-zinc-100 dark:bg-zinc-700 text-zinc-600 dark:text-zinc-400 hover:bg-zinc-200 dark:hover:bg-zinc-600"
+            }`}
+          >
+            {evaluation.isPublic ? "publique" : "rendre publique"}
+          </button>
           <button
             onClick={() => setShareOpen(true)}
             className="rounded border border-cyan-500/50 bg-cyan-500/10 px-3 py-1.5 font-mono text-xs text-cyan-600 dark:text-cyan-400 hover:bg-cyan-500/20"