diff --git a/0-mcap-vendor-change-cmake-download.patch b/0-mcap-vendor-change-cmake-download.patch
new file mode 100644
index 0000000000000000000000000000000000000000..34b8ef5c949a5b9bb8f59841f1bdfdd0d3a72611
--- /dev/null
+++ b/0-mcap-vendor-change-cmake-download.patch
@@ -0,0 +1,35 @@
+From 5577f7da5515fa347ee4ee894ea3c9f610d1e3f4 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E5=BC=A0=E5=A4=A9=E5=AE=87?= <1420098499@qq.com>
+Date: Sat, 17 Jun 2023 17:41:36 +0800
+Subject: [PATCH] update
+
+---
+ CMakeLists.txt | 8 ++------
+ 1 file changed, 2 insertions(+), 6 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 6de89d2..44eaeb0 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -32,16 +32,12 @@ endif()
+ macro(build_mcap_vendor)
+   include(FetchContent)
+   fetchcontent_declare(mcap
+-    URL https://github.com/foxglove/mcap/archive/refs/tags/releases/cpp/v0.8.0.tar.gz
++    URL ${CMAKE_CURRENT_SOURCE_DIR}/v0.8.0.tar.gz
+     URL_HASH SHA1=b44637791da2c9c1cec61a3ba6994f1ef63a228c # v0.8.0
+   )
+   fetchcontent_makeavailable(mcap)
+ 
+-  fetchcontent_declare(lz4
+-    GIT_REPOSITORY https://github.com/lz4/lz4.git
+-    GIT_TAG d44371841a2f1728a3f36839fd4b7e872d0927d3 # v1.9.3
+-  )
+-  fetchcontent_makeavailable(lz4)
++  set(lz4_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lz4)
+ 
+   file(GLOB _lz4_srcs
+     ${lz4_SOURCE_DIR}/lib/*.c)
+-- 
+2.41.0
+
diff --git a/lz4.tar.gz b/lz4.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..965f2f213b4f065d9e810b01b9f0cdbdbcc09c97
Binary files /dev/null and b/lz4.tar.gz differ
diff --git a/mcap-vendor.spec b/mcap-vendor.spec
index 396e76a509e8d2b2819cd844b23912d6b77c9730..f757b8018a4ee5d09c44f2f8e943cec4919fe57c 100644
--- a/mcap-vendor.spec
+++ b/mcap-vendor.spec
@@ -14,6 +14,10 @@ Summary:        mcap vendor package
 
 License:        Apache License 2.0
 Source0:        %{name}_%{version}.orig.tar.gz
+Source1:        v0.8.0.tar.gz
+Source2:        lz4.tar.gz
+
+Patch0:         0-mcap-vendor-change-cmake-download.patch
 
 Requires: ros-%{ros_distro}-zstd-vendor
 Requires: ros-%{ros_distro}-ros-workspace
@@ -35,6 +39,9 @@ mcap vendor package
 
 %prep
 %autosetup -p1
+cp %{SOURCE1} .
+cp %{SOURCE2} .
+tar -xf %{SOURCE2}
 
 %build
 # Needed to bootstrap since the ros_workspace package does not yet exist.
diff --git a/v0.8.0.tar.gz b/v0.8.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..b00a4b44591ddd38319aa22087f05150e5698a79
Binary files /dev/null and b/v0.8.0.tar.gz differ