diff --git a/tools/installer/deb/occlum/control b/tools/installer/deb/occlum/control
index 8dc14532..8e1230af 100644
--- a/tools/installer/deb/occlum/control
+++ b/tools/installer/deb/occlum/control
@@ -2,7 +2,7 @@ Source: occlum
 Section: libs
 Priority: optional
 Maintainer: Chunyang Hui <sanqian.hcy@antfin.com>
-Build-Depends: debhelper (>=9), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
+Build-Depends: debhelper (>=9), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python3, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
 Standards-Version: 4.1.2
 Homepage: https://github.com/occlum/occlum
 
diff --git a/tools/installer/deb/toolchains/glibc/control b/tools/installer/deb/toolchains/glibc/control
index c8aaf0a1..7188a105 100644
--- a/tools/installer/deb/toolchains/glibc/control
+++ b/tools/installer/deb/toolchains/glibc/control
@@ -2,7 +2,7 @@ Source: occlum-toolchains-glibc
 Section: libs
 Priority: optional
 Maintainer: Qi Zheng <huaiqing.zq@antgroup.com>
-Build-Depends: debhelper (>=9), autoconf, automake, build-essential, cmake, libtool, ocaml, ocamlbuild, python, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
+Build-Depends: debhelper (>=9), autoconf, automake, build-essential, cmake, libtool, ocaml, ocamlbuild, python3, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
 Standards-Version: 4.1.2
 Homepage: https://github.com/occlum/glibc
 
diff --git a/tools/installer/deb/toolchains/golang/control b/tools/installer/deb/toolchains/golang/control
index 9b948eee..ce48ce1c 100644
--- a/tools/installer/deb/toolchains/golang/control
+++ b/tools/installer/deb/toolchains/golang/control
@@ -2,7 +2,7 @@ Source: occlum-toolchains-golang
 Section: libs
 Priority: optional
 Maintainer: Chunyang Hui <sanqian.hcy@antfin.com>
-Build-Depends: debhelper (>=9), libfile-stripnondeterminism-perl (>= 0.028~), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
+Build-Depends: debhelper (>=9), libfile-stripnondeterminism-perl (>= 0.028~), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python3, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
 Standards-Version: 4.1.2
 Homepage: https://github.com/golang/go
 
diff --git a/tools/installer/deb/toolchains/musl-gcc/control b/tools/installer/deb/toolchains/musl-gcc/control
index ade2c88b..e29e9771 100644
--- a/tools/installer/deb/toolchains/musl-gcc/control
+++ b/tools/installer/deb/toolchains/musl-gcc/control
@@ -2,7 +2,7 @@ Source: occlum-toolchains-gcc
 Section: libs
 Priority: optional
 Maintainer: Chunyang Hui <sanqian.hcy@antfin.com>
-Build-Depends: debhelper (>=9), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
+Build-Depends: debhelper (>=9), autoconf, automake, cmake, libtool, ocaml, ocamlbuild, python3, libssl-dev, libcurl4-openssl-dev, libprotobuf-dev, git, protobuf-compiler
 Standards-Version: 4.1.2
 Homepage: https://github.com/occlum/musl