diff --git a/pkgs/os-specific/linux/minimal-bootstrap/gcc/10.nix b/pkgs/os-specific/linux/minimal-bootstrap/gcc/10.nix
index 25b06eb13f00..22db627fdb80 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/gcc/10.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/gcc/10.nix
@@ -43,10 +43,10 @@ let
     hash = "sha256-tnugOD736KhWNzTi6InvXsPDuJigHQD6CmhprYHGzgE=";
   };
 
-  mpcVersion = "1.3.1";
+  mpcVersion = "1.4.1";
   mpc = fetchurl {
-    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.gz";
-    hash = "sha256-q2QkkvXPiCt0qgy3MM1BCoHtzb7IlRg86TDnBsHHWbg=";
+    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.xz";
+    hash = "sha256-kSBM0y8WS9O3yZLUpqjOZRlRGq2rMPeLaYLQv41z6TE=";
   };
 in
 bash.runCommand "${pname}-${version}"
diff --git a/pkgs/os-specific/linux/minimal-bootstrap/gcc/glibc.nix b/pkgs/os-specific/linux/minimal-bootstrap/gcc/glibc.nix
index 3188453cea74..84429548ef45 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/gcc/glibc.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/gcc/glibc.nix
@@ -22,7 +22,7 @@
 }:
 let
   pname = "gcc";
-  version = "15.2.0";
+  version = "15.3.0";
   linkerName =
     {
       i686-linux = "ld-linux.so.2";
@@ -32,7 +32,7 @@ let
 
   src = fetchurl {
     url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.xz";
-    hash = "sha256-Q4/ZloJrDIJIWinaA6ctcdbjVBqD7HAt9Ccfb+Al0k4=";
+    hash = "sha256-+lnBvu+JlfJ8TXHB3yJ1hxiTFdPm+v8btDBuYbDFMOs=";
   };
 
   gmpVersion = "6.3.0";
@@ -47,10 +47,10 @@ let
     hash = "sha256-tnugOD736KhWNzTi6InvXsPDuJigHQD6CmhprYHGzgE=";
   };
 
-  mpcVersion = "1.3.1";
+  mpcVersion = "1.4.1";
   mpc = fetchurl {
-    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.gz";
-    hash = "sha256-q2QkkvXPiCt0qgy3MM1BCoHtzb7IlRg86TDnBsHHWbg=";
+    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.xz";
+    hash = "sha256-kSBM0y8WS9O3yZLUpqjOZRlRGq2rMPeLaYLQv41z6TE=";
   };
 in
 bash.runCommand "${pname}-${version}"
diff --git a/pkgs/os-specific/linux/minimal-bootstrap/gcc/latest.nix b/pkgs/os-specific/linux/minimal-bootstrap/gcc/latest.nix
index 8abf382e17d6..0489f9ceb125 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/gcc/latest.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/gcc/latest.nix
@@ -21,11 +21,11 @@
 }:
 let
   pname = "gcc";
-  version = "15.2.0";
+  version = "15.3.0";
 
   src = fetchurl {
     url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.xz";
-    hash = "sha256-Q4/ZloJrDIJIWinaA6ctcdbjVBqD7HAt9Ccfb+Al0k4=";
+    hash = "sha256-+lnBvu+JlfJ8TXHB3yJ1hxiTFdPm+v8btDBuYbDFMOs=";
   };
 
   gmpVersion = "6.3.0";
@@ -40,10 +40,10 @@ let
     hash = "sha256-tnugOD736KhWNzTi6InvXsPDuJigHQD6CmhprYHGzgE=";
   };
 
-  mpcVersion = "1.3.1";
+  mpcVersion = "1.4.1";
   mpc = fetchurl {
-    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.gz";
-    hash = "sha256-q2QkkvXPiCt0qgy3MM1BCoHtzb7IlRg86TDnBsHHWbg=";
+    url = "mirror://gnu/mpc/mpc-${mpcVersion}.tar.xz";
+    hash = "sha256-kSBM0y8WS9O3yZLUpqjOZRlRGq2rMPeLaYLQv41z6TE=";
   };
 in
 bash.runCommand "${pname}-${version}"
diff --git a/pkgs/os-specific/linux/minimal-bootstrap/gnumake/static.nix b/pkgs/os-specific/linux/minimal-bootstrap/gnumake/static.nix
index 65369e28fb64..29baaebafcfd 100644
--- a/pkgs/os-specific/linux/minimal-bootstrap/gnumake/static.nix
+++ b/pkgs/os-specific/linux/minimal-bootstrap/gnumake/static.nix
@@ -70,7 +70,7 @@ bash.runCommand "${pname}-${version}"
 
     # Configure
     #
-    # Use std=gnu17 to avoid issue GCC 15.2.0 incompatibility.
+    # Use std=gnu17 to avoid issue GCC 15.3.0 incompatibility.
     # There is no newer release of gnumake available right now.
     bash ./configure \
       --prefix=$out \