diff --git a/internal/core/thirdparty/knowhere/CMakeLists.txt b/internal/core/thirdparty/knowhere/CMakeLists.txt
index 32192f16e3bee..6e7d78a4400fb 100644
--- a/internal/core/thirdparty/knowhere/CMakeLists.txt
+++ b/internal/core/thirdparty/knowhere/CMakeLists.txt
@@ -14,7 +14,7 @@
 # Update KNOWHERE_VERSION for the first occurrence
 milvus_add_pkg_config("knowhere")
 set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES "")
-set( KNOWHERE_VERSION 52c03030 )
+set( KNOWHERE_VERSION 1cb3f0e )
 set( GIT_REPOSITORY  "https://github.com/zilliztech/knowhere.git")
 message(STATUS "Knowhere repo: ${GIT_REPOSITORY}")
 message(STATUS "Knowhere version: ${KNOWHERE_VERSION}")
diff --git a/tests/go_client/testcases/groupby_search_test.go b/tests/go_client/testcases/groupby_search_test.go
index a1fab2bf76763..7ad196d633242 100644
--- a/tests/go_client/testcases/groupby_search_test.go
+++ b/tests/go_client/testcases/groupby_search_test.go
@@ -50,10 +50,8 @@ func genGroupByBinaryIndex(metricType entity.MetricType) []index.Index {
 
 func genUnsupportedFloatGroupByIndex() []index.Index {
 	idxIvfPq := index.NewIvfPQIndex(entity.L2, 128, 16, 8)
-	idxScann := index.NewSCANNIndex(entity.L2, 16, false)
 	return []index.Index{
 		idxIvfPq,
-		idxScann,
 	}
 }
 
diff --git a/tests/python_client/testcases/test_search.py b/tests/python_client/testcases/test_search.py
index 1a008acdd226c..acd7ac568bdf1 100644
--- a/tests/python_client/testcases/test_search.py
+++ b/tests/python_client/testcases/test_search.py
@@ -10610,7 +10610,7 @@ def test_search_group_by_unsupported_index(self, index):
                 3. search with group by
                 verify: the error code and msg
         """
-        if index in ["HNSW", "IVF_FLAT", "FLAT", "IVF_SQ8", "DISKANN"]:
+        if index in ["HNSW", "IVF_FLAT", "FLAT", "IVF_SQ8", "DISKANN", "SCANN"]:
             pass  # Only HNSW and IVF_FLAT are supported
         else:
             metric = "L2"