diff --git a/src/coreboot-toolchain/default.nix b/src/coreboot-toolchain/default.nix
index 881abeb..426d397 100644
--- a/src/coreboot-toolchain/default.nix
+++ b/src/coreboot-toolchain/default.nix
@@ -2,11 +2,11 @@
 , nixpkgsOnBuildForBuild
 }:
 
-let version = "4.14"; in
+let version = "4.16"; in
 lib.mapAttrs (k: v:
   if k == "recurseForDerivations" then v else
   lib.makeOverridable (v.override {
-    withAda = false;
+    withAda = true;
   }).overrideAttrs (a: {
     src = nixpkgsOnBuildForBuild.fetchgit {
       name = "coreboot-toolchain-source-${version}";  # fetchgit does not understand "pname"
diff --git a/src/coreboot-toolchain/stable-4.16.nix b/src/coreboot-toolchain/stable-4.16.nix
new file mode 100644
index 0000000..64ee3da
--- /dev/null
+++ b/src/coreboot-toolchain/stable-4.16.nix
@@ -0,0 +1,51 @@
+{ fetchurl }: [
+  {
+    name = "gmp-6.2.1.tar.xz";
+    archive = fetchurl {
+      sha256 = "1wml97fdmpcynsbw9yl77rj29qibfp652d0w3222zlfx5j8jjj7x";
+      url = "mirror://gnu/gmp/gmp-6.2.1.tar.xz";
+    };
+  }
+  {
+    name = "mpfr-4.1.0.tar.xz";
+    archive = fetchurl {
+      sha256 = "0zwaanakrqjf84lfr5hfsdr7hncwv9wj0mchlr7cmxigfgqs760c";
+      url = "mirror://gnu/mpfr/mpfr-4.1.0.tar.xz";
+    };
+  }
+  {
+    name = "mpc-1.2.1.tar.gz";
+    archive = fetchurl {
+      sha256 = "0n846hqfqvmsmim7qdlms0qr86f1hck19p12nq3g3z2x74n3sl0p";
+      url = "mirror://gnu/mpc/mpc-1.2.1.tar.gz";
+    };
+  }
+  {
+    name = "gcc-11.2.0.tar.xz";
+    archive = fetchurl {
+      sha256 = "12zs6vd2rapp42x154m479hg3h3lsafn3xhg06hp5hsldd9xr3nh";
+      url = "mirror://gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz";
+    };
+  }
+  {
+    name = "binutils-2.37.tar.xz";
+    archive = fetchurl {
+      sha256 = "0b53hhgfnafw27y0c3nbmlfidny2cc5km29pnfffd8r0y0j9f3c2";
+      url = "mirror://gnu/binutils/binutils-2.37.tar.xz";
+    };
+  }
+  {
+    name = "acpica-unix2-20211217.tar.gz";
+    archive = fetchurl {
+      sha256 = "0521hmaw2zhi0mpgnaf2i83dykfgql4bx98cg7xqy8wmj649z194";
+      url = "https://acpica.org/sites/acpica/files/acpica-unix2-20211217.tar.gz";
+    };
+  }
+  {
+    name = "nasm-2.15.05.tar.bz2";
+    archive = fetchurl {
+      sha256 = "1l1gxs5ncdbgz91lsl4y7w5aapask3w02q9inayb2m5bwlwq6jrw";
+      url = "https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/nasm-2.15.05.tar.bz2";
+    };
+  }
+]