diff --git a/pkgs/development/compilers/gcc/ng/default.nix b/pkgs/development/compilers/gcc/ng/default.nix
index 4eb9ca23b9b5..c849367aa1fc 100644
--- a/pkgs/development/compilers/gcc/ng/default.nix
+++ b/pkgs/development/compilers/gcc/ng/default.nix
@@ -14,7 +14,7 @@
 }@packageSetArgs:
 let
   versions = {
-    "15.3.0".officialRelease.sha256 = "sha256-+lnBvu+JlfJ8TXHB3yJ1hxiTFdPm+v8btDBuYbDFMOs=";
+    "15.2.0".officialRelease.sha256 = "sha256-Q4/ZloJrDIJIWinaA6ctcdbjVBqD7HAt9Ccfb+Al0k4=";
   }
   // gccVersions;