diff --git a/pkgs/development/tools/misc/coreboot-toolchain/default.nix b/pkgs/development/tools/misc/coreboot-toolchain/default.nix
index f204b28ee1df..dc96f6e3c6ce 100644
--- a/pkgs/development/tools/misc/coreboot-toolchain/default.nix
+++ b/pkgs/development/tools/misc/coreboot-toolchain/default.nix
@@ -19,12 +19,12 @@ let
 
     stdenvNoCC.mkDerivation rec {
       pname = "coreboot-toolchain-${arch}";
-      version = "4.19";
+      version = "4.20";
 
       src = fetchgit {
         url = "https://review.coreboot.org/coreboot";
-        rev = version;
-        sha256 = "sha256-pGS+bfX2k/ot7sHL9aiaQpA0wtbHHZEObJ/h2JGF5/4=";
+        rev = "465fbbe93ee01b4576689a90b7ddbeec23cdace2";
+        hash = "sha256-vzXOl+Z8VYh9Iq6+AMNb3apMv185J3mODauKMinSOI4=";
         fetchSubmodules = false;
         leaveDotGit = true;
         postFetch = ''
diff --git a/pkgs/development/tools/misc/coreboot-toolchain/stable.nix b/pkgs/development/tools/misc/coreboot-toolchain/stable.nix
index f8b6bd0ea68e..a432aab59e78 100644
--- a/pkgs/development/tools/misc/coreboot-toolchain/stable.nix
+++ b/pkgs/development/tools/misc/coreboot-toolchain/stable.nix
@@ -7,38 +7,38 @@
     };
   }
   {
-    name = "mpfr-4.1.1.tar.xz";
+    name = "mpfr-4.2.0.tar.xz";
     archive = fetchurl {
-      sha256 = "0gf3ibi7kzz39zj72qc9r607clyhm80gs8wbp71zzfkxasyrblgz";
-      url = "mirror://gnu/mpfr/mpfr-4.1.1.tar.xz";
+      sha256 = "14yr4sf4mys64nzbgnd997l6l4n8l9vsjnnvnb0lh4jh2ggpi8q6";
+      url = "mirror://gnu/mpfr/mpfr-4.2.0.tar.xz";
     };
   }
   {
-    name = "mpc-1.2.1.tar.gz";
+    name = "mpc-1.3.1.tar.gz";
     archive = fetchurl {
-      sha256 = "0n846hqfqvmsmim7qdlms0qr86f1hck19p12nq3g3z2x74n3sl0p";
-      url = "mirror://gnu/mpc/mpc-1.2.1.tar.gz";
+      sha256 = "1f2rqz0hdrrhx4y1i5f8pv6yv08a876k1dqcm9s2p26gyn928r5b";
+      url = "mirror://gnu/mpc/mpc-1.3.1.tar.gz";
     };
   }
   {
-    name = "gcc-11.2.0.tar.xz";
+    name = "gcc-11.3.0.tar.xz";
     archive = fetchurl {
-      sha256 = "12zs6vd2rapp42x154m479hg3h3lsafn3xhg06hp5hsldd9xr3nh";
-      url = "mirror://gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz";
+      sha256 = "0fdclcwf728wbq52vphfcjywzhpsjp3kifzj3pib3xcihs0z4z5l";
+      url = "mirror://gnu/gcc/gcc-11.3.0/gcc-11.3.0.tar.xz";
     };
   }
   {
-    name = "binutils-2.37.tar.xz";
+    name = "binutils-2.40.tar.xz";
     archive = fetchurl {
-      sha256 = "0b53hhgfnafw27y0c3nbmlfidny2cc5km29pnfffd8r0y0j9f3c2";
-      url = "mirror://gnu/binutils/binutils-2.37.tar.xz";
+      sha256 = "1qfqr7gw9k5hhaj6sllmis109qxq5354l2nivrlz65vz5lklr2hg";
+      url = "mirror://gnu/binutils/binutils-2.40.tar.xz";
     };
   }
   {
     name = "R10_20_22.tar.gz";
     archive = fetchurl {
       sha256 = "11iv3jrz27g7bv7ffyxsrgm4cq60cld2gkkl008p3lcwfyqpx88s";
-      url = "https://github.com/acpica/acpica/archive/refs/tags//R10_20_22.tar.gz";
+      url = "https://github.com/acpica/acpica/archive/refs/tags/R10_20_22.tar.gz";
     };
   }
   {