diff --git a/internal/api/problem/update.go b/internal/api/problem/update.go
index 7977640..8c1d5ba 100644
--- a/internal/api/problem/update.go
+++ b/internal/api/problem/update.go
@@ -84,6 +84,16 @@ func (h *handler) Update(c *gin.Context) {
 			return
 		}
 
+		// if IsEnabled is set to true, check if the problem has a latest version
+		if req.IsEnabled {
+			_, status := h.problemService.QueryLatestVersion(p.ID)
+			if status != e.Success {
+				e.Pong[any](c, status, nil)
+				return
+			}
+			p.IsEnabled = true
+		}
+
 		// update problem
 		p.Title = utils.If(req.Title != "", req.Title, p.Title)
 		p.Statement = utils.If(req.Statement != "", req.Statement, p.Statement)
@@ -92,7 +102,6 @@ func (h *handler) Update(c *gin.Context) {
 			_ = tags.Set(req.Tags)
 			p.Tags = tags
 		}
-		p.IsEnabled = req.IsEnabled
 
 		p, status = h.problemService.Update(p)
 		e.Pong(c, status, p)