diff --git a/pkgs/development/compilers/gcc/10/default.nix b/pkgs/development/compilers/gcc/10/default.nix
index 3a3820ff1e7..2f7991a9212 100644
--- a/pkgs/development/compilers/gcc/10/default.nix
+++ b/pkgs/development/compilers/gcc/10/default.nix
@@ -57,7 +57,7 @@ with lib;
 with builtins;
 
 let majorVersion = "10";
-    version = "${majorVersion}.2.0";
+    version = "${majorVersion}.3.0";
 
     inherit (stdenv) buildPlatform hostPlatform targetPlatform;
 
@@ -90,7 +90,7 @@ stdenv.mkDerivation ({
 
   src = fetchurl {
     url = "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz";
-    sha256 = "130xdkhmz1bc2kzx061s3sfwk36xah1fw5w332c0nzwwpdl47pdq";
+    sha256 = "0i6378ig6h397zkhd7m4ccwjx5alvzrf2hm27p1pzwjhlv0h9x34";
   };
 
   inherit patches;