diff --git a/src/controllers/PostsController.ts b/src/controllers/PostsController.ts
index d6bcd60..568e439 100644
--- a/src/controllers/PostsController.ts
+++ b/src/controllers/PostsController.ts
@@ -305,7 +305,10 @@ export class PostsController {
 	 */
 	public static async SetVisibilityLevel(h: RequestHandler) {
 		
-		// TODO : implement
+		const postID = await h.postPostIDWithAccess("postID", PostAccessLevel.FULL_ACCESS);
+		const newVisibility = this.PostVisibilityLevel(h, "new_level");
+
+		await PostsHelper.SetLevel(postID, newVisibility);
 
 		h.success("");
 	}
diff --git a/src/helpers/PostsHelper.ts b/src/helpers/PostsHelper.ts
index 83bc805..619a8b2 100644
--- a/src/helpers/PostsHelper.ts
+++ b/src/helpers/PostsHelper.ts
@@ -442,6 +442,24 @@ export class PostsHelper {
 		}) > 0;
 	}
 
+	/**
+	 * Set new visibility level to the post
+	 * 
+	 * @param postID Target post ID
+	 * @param level Target access level
+	 */
+	public static async SetLevel(postID: number, level: PostVisibilityLevel) {
+		await DatabaseHelper.UpdateRows({
+			table: TABLE_NAME,
+			where: {
+				ID: postID
+			},
+			set: {
+				niveau_visibilite: level
+			}
+		})
+	}
+
 	/**
 	 * Turn a database entry into a row object
 	 *