diff --git a/src/app/weekly-checkin/[id]/page.tsx b/src/app/weekly-checkin/[id]/page.tsx
index aef8caa..7648f1b 100644
--- a/src/app/weekly-checkin/[id]/page.tsx
+++ b/src/app/weekly-checkin/[id]/page.tsx
@@ -87,9 +87,25 @@ export default async function WeeklyCheckInSessionPage({ params }: WeeklyCheckIn
         </div>
       </div>
 
-      {/* Current Quarter OKRs */}
+      {/* Current Quarter OKRs - editable by participant or team admin */}
       {currentQuarterOKRs.length > 0 && (
-        <CurrentQuarterOKRs okrs={currentQuarterOKRs} period={currentQuarterPeriod} />
+        <CurrentQuarterOKRs
+          okrs={currentQuarterOKRs}
+          period={currentQuarterPeriod}
+          canEdit={
+            (!!resolvedParticipant.matchedUser &&
+              authSession.user.id === resolvedParticipant.matchedUser.id) ||
+            (() => {
+              const participantTeamIds = new Set(
+                currentQuarterOKRs.map((okr) => okr.team?.id).filter(Boolean) as string[]
+              );
+              const adminTeamIds = userTeams
+                .filter((t) => t.userRole === 'ADMIN')
+                .map((t) => t.id);
+              return adminTeamIds.some((tid) => participantTeamIds.has(tid));
+            })()
+          }
+        />
       )}
 
       {/* Live Wrapper + Board */}
diff --git a/src/components/weekly-checkin/CurrentQuarterOKRs.tsx b/src/components/weekly-checkin/CurrentQuarterOKRs.tsx
index 7274f44..78a0009 100644
--- a/src/components/weekly-checkin/CurrentQuarterOKRs.tsx
+++ b/src/components/weekly-checkin/CurrentQuarterOKRs.tsx
@@ -1,10 +1,13 @@
 'use client';
 
 import { useState } from 'react';
+import { useRouter } from 'next/navigation';
 import Link from 'next/link';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui';
 import { Badge } from '@/components/ui';
-import type { OKR } from '@/lib/types';
+import { Input } from '@/components/ui';
+import { Button } from '@/components/ui';
+import type { OKR, KeyResult } from '@/lib/types';
 import { OKR_STATUS_LABELS } from '@/lib/types';
 
 type OKRWithTeam = OKR & {
@@ -17,10 +20,12 @@ type OKRWithTeam = OKR & {
 interface CurrentQuarterOKRsProps {
   okrs: OKRWithTeam[];
   period: string;
+  canEdit?: boolean;
 }
 
-export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
+export function CurrentQuarterOKRs({ okrs, period, canEdit = false }: CurrentQuarterOKRsProps) {
   const [isExpanded, setIsExpanded] = useState(true);
+  const router = useRouter();
 
   if (okrs.length === 0) {
     return null;
@@ -60,7 +65,11 @@ export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
                 <div className="flex items-start justify-between gap-3">
                   <div className="flex-1">
                     <div className="flex items-center gap-2 mb-1">
-                      <h4 className="font-medium text-foreground">{okr.objective}</h4>
+                      <EditableObjective
+                        okr={okr}
+                        canEdit={canEdit}
+                        onUpdate={() => router.refresh()}
+                      />
                       <Badge
                         variant="default"
                         style={{
@@ -72,7 +81,7 @@ export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
                         {OKR_STATUS_LABELS[okr.status]}
                       </Badge>
                       {okr.progress !== undefined && (
-                        <span className="text-xs text-muted">{okr.progress}%</span>
+                        <span className="text-xs text-muted whitespace-nowrap">{okr.progress}%</span>
                       )}
                     </div>
                     {okr.description && (
@@ -80,24 +89,18 @@ export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
                     )}
                     {okr.keyResults && okr.keyResults.length > 0 && (
                       <ul className="space-y-1 mt-2">
-                        {okr.keyResults.slice(0, 3).map((kr) => {
-                          const krProgress = kr.targetValue > 0 
-                            ? Math.round((kr.currentValue / kr.targetValue) * 100) 
-                            : 0;
-                          return (
-                            <li key={kr.id} className="text-xs text-muted flex items-center gap-2">
-                              <span className="w-1.5 h-1.5 rounded-full bg-primary" />
-                              <span className="flex-1">{kr.title}</span>
-                              <span className="text-muted">
-                                {kr.currentValue}/{kr.targetValue} {kr.unit}
-                              </span>
-                              <span className="text-xs">({krProgress}%)</span>
-                            </li>
-                          );
-                        })}
-                        {okr.keyResults.length > 3 && (
+                        {okr.keyResults.slice(0, 5).map((kr) => (
+                          <EditableKeyResultRow
+                            key={kr.id}
+                            kr={kr}
+                            okrId={okr.id}
+                            canEdit={canEdit}
+                            onUpdate={() => router.refresh()}
+                          />
+                        ))}
+                        {okr.keyResults.length > 5 && (
                           <li className="text-xs text-muted pl-3.5">
-                            +{okr.keyResults.length - 3} autre{okr.keyResults.length - 3 > 1 ? 's' : ''}
+                            +{okr.keyResults.length - 5} autre{okr.keyResults.length - 5 > 1 ? 's' : ''}
                           </li>
                         )}
                       </ul>
@@ -130,6 +133,179 @@ export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
   );
 }
 
+function EditableObjective({
+  okr,
+  canEdit,
+  onUpdate,
+}: {
+  okr: OKRWithTeam;
+  canEdit: boolean;
+  onUpdate: () => void;
+}) {
+  const [isEditing, setIsEditing] = useState(false);
+  const [objective, setObjective] = useState(okr.objective);
+  const [updating, setUpdating] = useState(false);
+
+  const handleSave = async () => {
+    setUpdating(true);
+    try {
+      const res = await fetch(`/api/okrs/${okr.id}`, {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ objective: objective.trim() }),
+      });
+      if (!res.ok) {
+        const err = await res.json();
+        alert(err.error || 'Erreur lors de la mise à jour');
+        return;
+      }
+      setIsEditing(false);
+      onUpdate();
+    } catch (e) {
+      console.error(e);
+      alert('Erreur lors de la mise à jour');
+    } finally {
+      setUpdating(false);
+    }
+  };
+
+  if (canEdit && isEditing) {
+    return (
+      <div className="flex items-center gap-2 flex-1 min-w-0">
+        <Input
+          value={objective}
+          onChange={(e) => setObjective(e.target.value)}
+          className="flex-1 h-8 text-sm"
+          autoFocus
+        />
+        <Button size="sm" onClick={handleSave} disabled={updating} className="h-7 text-xs">
+          {updating ? '...' : 'OK'}
+        </Button>
+        <Button
+          size="sm"
+          variant="outline"
+          onClick={() => {
+            setIsEditing(false);
+            setObjective(okr.objective);
+          }}
+          className="h-7 text-xs"
+        >
+          Annuler
+        </Button>
+      </div>
+    );
+  }
+
+  return (
+    <h4
+      className={`font-medium text-foreground ${canEdit ? 'cursor-pointer hover:underline' : ''}`}
+      onClick={canEdit ? () => setIsEditing(true) : undefined}
+      role={canEdit ? 'button' : undefined}
+    >
+      {okr.objective}
+    </h4>
+  );
+}
+
+function EditableKeyResultRow({
+  kr,
+  okrId,
+  canEdit,
+  onUpdate,
+}: {
+  kr: KeyResult;
+  okrId: string;
+  canEdit: boolean;
+  onUpdate: () => void;
+}) {
+  const [isEditing, setIsEditing] = useState(false);
+  const [currentValue, setCurrentValue] = useState(kr.currentValue);
+  const [updating, setUpdating] = useState(false);
+
+  const krProgress =
+    kr.targetValue > 0 ? Math.round((kr.currentValue / kr.targetValue) * 100) : 0;
+
+  const handleSave = async () => {
+    setUpdating(true);
+    try {
+      const res = await fetch(`/api/okrs/${okrId}/key-results/${kr.id}`, {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ currentValue: Number(currentValue) }),
+      });
+      if (!res.ok) {
+        const err = await res.json();
+        alert(err.error || 'Erreur lors de la mise à jour');
+        return;
+      }
+      setIsEditing(false);
+      onUpdate();
+    } catch (e) {
+      console.error(e);
+      alert('Erreur lors de la mise à jour');
+    } finally {
+      setUpdating(false);
+    }
+  };
+
+  if (canEdit && isEditing) {
+    return (
+      <li className="text-xs flex items-center gap-2 py-1">
+        <span className="w-1.5 h-1.5 rounded-full bg-primary flex-shrink-0" />
+        <span className="flex-1 min-w-0 text-muted">{kr.title}</span>
+        <div className="flex items-center gap-1 flex-shrink-0 whitespace-nowrap">
+          <Input
+            type="number"
+            value={currentValue}
+            onChange={(e) => setCurrentValue(Number(e.target.value))}
+            min={0}
+            max={kr.targetValue * 2}
+            step="0.1"
+            className="h-6 w-16 text-xs"
+          />
+          <span className="text-muted">/ {kr.targetValue} {kr.unit}</span>
+        </div>
+        <div className="flex items-center gap-1 flex-shrink-0">
+          <Button size="sm" onClick={handleSave} disabled={updating} className="h-6 text-xs">
+            {updating ? '...' : 'OK'}
+          </Button>
+          <Button
+            size="sm"
+            variant="outline"
+            onClick={() => {
+              setIsEditing(false);
+              setCurrentValue(kr.currentValue);
+            }}
+            className="h-6 text-xs"
+          >
+            Annuler
+          </Button>
+        </div>
+      </li>
+    );
+  }
+
+  return (
+    <li className="text-xs text-muted flex items-center gap-2 py-1">
+      <span className="w-1.5 h-1.5 rounded-full bg-primary flex-shrink-0" />
+      <span className="flex-1 min-w-0">{kr.title}</span>
+      <span className="text-muted whitespace-nowrap flex-shrink-0">
+        {kr.currentValue}/{kr.targetValue} {kr.unit}
+      </span>
+      <span className="text-xs whitespace-nowrap flex-shrink-0">({krProgress}%)</span>
+      {canEdit && (
+        <button
+          type="button"
+          onClick={() => setIsEditing(true)}
+          className="text-primary hover:underline text-xs"
+        >
+          Modifier
+        </button>
+      )}
+    </li>
+  );
+}
+
 function getOKRStatusColor(status: OKR['status']): { bg: string; color: string } {
   switch (status) {
     case 'NOT_STARTED':