diff --git a/core/gcc/checksums b/core/gcc/checksums
index cd53b1c4..9e90df50 100644
--- a/core/gcc/checksums
+++ b/core/gcc/checksums
@@ -1,2 +1,2 @@
-64baadfe6cc0f4947a84cb12d7f0dfaf45bb58b7e92461639596c21e02d97d2c  gcc-8.3.0.tar.xz
+79a66834e96a6050d8fe78db2c3b32fb285b230b855d0a66288235bc04b327a0  gcc-9.1.0.tar.xz
 765614b3396d70bca3fa0ae4a813632486c6dca320e2bd13c8c39dca52be4a4c  c99
diff --git a/core/gcc/sources b/core/gcc/sources
index 755fc46e..355da179 100644
--- a/core/gcc/sources
+++ b/core/gcc/sources
@@ -1,2 +1,2 @@
-https://gcc.gnu.org/pub/gcc/releases/gcc-8.3.0/gcc-8.3.0.tar.xz gcc
+https://gcc.gnu.org/pub/gcc/releases/gcc-9.1.0/gcc-9.1.0.tar.xz gcc
 files/c99
diff --git a/core/gcc/version b/core/gcc/version
index 5411fa8f..f6e1c249 100644
--- a/core/gcc/version
+++ b/core/gcc/version
@@ -1 +1 @@
-8.3.0 1
+9.1.0 1