diff --git a/Third_Party_Open_Source_Software_Notice b/Third_Party_Open_Source_Software_Notice
index 96605c64ae8..bccb1ed2057 100644
--- a/Third_Party_Open_Source_Software_Notice
+++ b/Third_Party_Open_Source_Software_Notice
@@ -3048,7 +3048,7 @@ Copyright (c) Facebook Inc. and Microsoft Corporation.
 License: MIT License
 Please see above.
 
-Software: flatbuffers 1.11.0
+Software: flatbuffers 2.0.0
 Copyright notice: 
 Copyright (c) 2015 Google, Inc.
 Copyright 2014 Google Inc. All rights reserved.
@@ -9774,4 +9774,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+DEALINGS IN THE SOFTWARE.
diff --git a/cmake/external_libs/cmsis.cmake b/cmake/external_libs/cmsis.cmake
index 5ca6bff0694..98fe09c8538 100644
--- a/cmake/external_libs/cmsis.cmake
+++ b/cmake/external_libs/cmsis.cmake
@@ -1,8 +1,8 @@
 set(cmsis_pkg_name cmsis)
 
 if(ENABLE_GITEE)
-    set(REQ_URL "https://gitee.com/mirrors/CMSIS_5/repository/archive/5.7.0")
-    set(MD5 "f8b5c3f0711feb9ebac0fb05c15f0306")
+    set(REQ_URL "https://gitee.com/mirrors/CMSIS_5/repository/archive/5.7.0.tar.gz")
+    set(MD5 "feb96c10a99bd0eb54fb7ce49af8d285")
 else()
     set(REQ_URL "https://github.com/ARM-software/CMSIS_5/archive/5.7.0.tar.gz")
     set(MD5 "0eaa594b0c62dd72e41ec181c4689842")
diff --git a/cmake/external_libs/opencl.cmake b/cmake/external_libs/opencl.cmake
index 5301757c901..95961e69617 100644
--- a/cmake/external_libs/opencl.cmake
+++ b/cmake/external_libs/opencl.cmake
@@ -1,10 +1,10 @@
 if(ENABLE_GITEE)
     set(REQ_URL "https://gitee.com/mirrors/OpenCL-Headers/repository/archive/v2020.12.18.tar.gz")
-    set(MD5 "e75dc757f16d3789ce551d79f989bf41")
+    set(MD5 "34e4ec0a23aaa7960523a0ab4853b647")
     set(PKG_GIT_TAG "")
     __download_pkg_with_git(OpenCL-Headers ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
     set(REQ_URL "https://gitee.com/mirrors/OpenCL-CLHPP/repository/archive/v2.0.12.tar.gz")
-    set(MD5 "a07b45d676b02644482bc2c3bb90b891")
+    set(MD5 "7a07baf1c9776e40e93abaf8f4ac2859")
     set(PKG_GIT_TAG "")
     __download_pkg_with_git(OpenCL-CLHPP ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
 else()