diff --git a/cmake/checker.cmake b/cmake/checker.cmake
index a570418b1a42a4dad18d5804031c2bc02ac45bbe..1944d04e0b0426e5b8c664960f37c8977c91b04c 100644
--- a/cmake/checker.cmake
+++ b/cmake/checker.cmake
@@ -3,9 +3,9 @@ include(CheckIncludeFile)
 # check depends library and headers
 find_package(PkgConfig REQUIRED)
 
-# check python
-find_program(CMD_PYTHON python)
-_CHECK(CMD_PYTHON "CMD_PYTHON-NOTFOUND" "python")
+# check python3
+find_program(CMD_PYTHON python3)
+_CHECK(CMD_PYTHON "CMD_PYTHON-NOTFOUND" "python3")
 
 # check tools
 find_program(CMD_TAR tar)
diff --git a/iSulad.spec b/iSulad.spec
index 24ad6ded10b456fd454fe5e928d7717cfa835f16..1ac5c0690cfe9f7bec2fc3f78b84f1fa888fae51 100644
--- a/iSulad.spec
+++ b/iSulad.spec
@@ -34,7 +34,7 @@ BuildRequires: grpc grpc-devel protobuf-devel
 BuildRequires: libcurl libcurl-devel sqlite-devel
 BuildRequires: http-parser-devel libevhtp-devel libevent-devel
 BuildRequires: libseccomp-devel libcap-devel libwebsockets libwebsockets-devel
-BuildRequires: systemd-devel git python2
+BuildRequires: systemd-devel git python3
 
 Requires:      iSulad-img lcr lxc clibcni
 Requires:      grpc protobuf yajl
diff --git a/src/json/schema/CMakeLists.txt b/src/json/schema/CMakeLists.txt
index 66cb000ba9a1f051bf95bb53919528409ae7d8e1..31836016a9caa93e1932787aa626ea7ea2f9470d 100644
--- a/src/json/schema/CMakeLists.txt
+++ b/src/json/schema/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(cmdpath python)
+set(cmdpath python3)
 set(pysrcpath ${CMAKE_CURRENT_SOURCE_DIR}/src/generate.py)
 set(schemapath ${CMAKE_CURRENT_SOURCE_DIR}/schema)
 set(outputpath ${CMAKE_BINARY_DIR}/json)