diff --git a/internal/core/conanfile.py b/internal/core/conanfile.py
index 4e7a45f44d..5a2b07c7c7 100644
--- a/internal/core/conanfile.py
+++ b/internal/core/conanfile.py
@@ -19,7 +19,7 @@ class MilvusConan(ConanFile):
         "yaml-cpp/0.7.0",
         "marisa/0.2.6",
         "zlib/1.2.13",
-        "libcurl/7.87.0",
+        "libcurl/7.86.0",
     )
 
     generators = "cmake"