diff --git a/tools/installer/deb/Makefile b/tools/installer/deb/Makefile
index 1fcc3961..75e07c14 100644
--- a/tools/installer/deb/Makefile
+++ b/tools/installer/deb/Makefile
@@ -16,7 +16,7 @@ C_TOOLCHAIN_PACKAGE_NAME := occlum-toolchains-gcc
 # The version numbers are only needed to update when the toolchains are updated.
 # When updating the toolchain packages for Deb, please first update RPM configuration. And then
 # update the "changelog" file accordingly.
-MUSL_VERSION := 0.15.0
+MUSL_VERSION := 0.27.0
 GOLAN_VERSION := 0.16.0
 
 GO_PATCH = $(PROJECT_DIR)/tools/toolchains/golang/adapt-golang-to-occlum.patch
diff --git a/tools/installer/deb/toolchains/musl-gcc/changelog b/tools/installer/deb/toolchains/musl-gcc/changelog
index b0f9b6ac..a8412446 100644
--- a/tools/installer/deb/toolchains/musl-gcc/changelog
+++ b/tools/installer/deb/toolchains/musl-gcc/changelog
@@ -1,4 +1,10 @@
-occlum-toolchains-gcc ($MUSL_VERSION-1) unstable; urgency=medium
+occlum-toolchains-gcc (0.27.0-1) unstable; urgency=medium
+
+  * Upgrade to support Ubuntu20.04
+
+ -- Chunyang Hui <sanqian.hcy@antfin.com>  Wed, 9 Mar 2022 13:50:00 +0000
+
+occlum-toolchains-gcc (0.15.0-1) unstable; urgency=medium
 
   * Initial release