diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index c71c1b4..a4f90ff 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
         matrix:
-            kernelVersion: ["54", "510", "511"]
+            kernelVersion: ["54", "510", "512"]
             sched: [bmq, cfs, cacule, muqss, pds]
             include:
               - kernelVersion: "510"
diff --git a/flake.nix b/flake.nix
index d93dc2f..4babfd8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,7 +39,7 @@
           };
         }) (pkgs.lib.cartesianProductOfSets {
           scheduler = ["bmq" "cfs" "cacule" "muqss" "pds"];
-          version = ["5.4" "5.10" "5.11"];
+          version = ["5.4" "5.10" "5.12"];
         })) // {
           "linux_tkg-upds-510" = callPackage ./packages/linux-tkg {
             version = "5.10";
diff --git a/packages/linux-tkg/default.nix b/packages/linux-tkg/default.nix
index 94c0c76..094791e 100644
--- a/packages/linux-tkg/default.nix
+++ b/packages/linux-tkg/default.nix
@@ -44,31 +44,7 @@
 let
   tkg = "2da317c20ed6f70085b195639b9aad2cacf31ab5";
 
-  majorVersion =
-    if lib.versions.major version == "5"
-    then "5"
-    else throw "Unsupported major version";
-  minorVersion = lib.versions.minor version;
-  patchVersion =
-         if minorVersion == "4" then "128"
-    else if minorVersion == "10" then "46"
-    else if minorVersion == "12" then "13"
-    else throw "Unsupported minor version";
-
-  mmp = "${majorVersion}.${minorVersion}.${patchVersion}";
-  mm = "${majorVersion}.${minorVersion}";
-
-  kernelUrl = name: sha256: builtins.fetchurl {
-    inherit sha256;
-    url = "https://cdn.kernel.org/pub/linux/kernel/v${majorVersion}.x/${name}.xz";
-  };
-
-  tkgSource = fetchFromGitHub {
-    owner = "Frogging-Family";
-    repo = "linux-tkg";
-    rev = "2da317c20ed6f70085b195639b9aad2cacf31ab5";
-    sha256 = "06a5fpafids8nc550pcsyvar2igphi6bpghqzl6cp48hg6p2g07w";
-  };
+  sources = import ./sources.nix { inherit fetchFromGitHub lib version; };
 
   boolToKernel = bool: with lib.kernel; if bool then yes else no;
   boolToKernelMod = bool: with lib.kernel; if bool then module else no;
@@ -105,10 +81,10 @@ let
         "5.4" = {
           TP_SMAPI = module;
           RAID6_USE_PREFER_GEN = yes;
-          RCU_BOOST_DELAY = freeform 0;
+          RCU_BOOST_DELAY = freeform "0";
         };
       };
-    in base // (if builtins.hasAttr mm extras then extras.${mm} else {});
+    in base // (if builtins.hasAttr version extras then extras.${version} else {});
 
     debug =
       if debug
@@ -154,7 +130,7 @@ let
     in
       if builtins.hasAttr scheduler schedConfigs
       then
-        if builtins.elem scheduler supportedSchedulers.${mm}
+        if builtins.elem scheduler supportedSchedulers.${version}
         then schedConfigs.${scheduler}
         else throw "Unsupported scheduler for kernel version"
       else throw "Unknown scheduler";
@@ -260,7 +236,7 @@ let
     "0003-glitched-base"
   ]
   ++ lib.optional miscAdditions "0012-misc-additions"
-  ++ lib.optionals (mm == "5.12") [
+  ++ lib.optionals (version == "5.12") [
     "0001-mm-Support-soft-dirty-flag-reset-for-VA-range"
     "0002-mm-Support-soft-dirty-flag-read-with-reset"
   ]
@@ -272,33 +248,33 @@ let
       };
       map = {
         muqss = [
-          "0004-${mm}-ck1"
+          "0004-${version}-ck1"
           "0004-glitched-muqss"
         ];
         upds = [
-          "0005-v${mm}_undead-pds099o"
+          "0005-v${version}_undead-pds099o"
           "0005-undead-glitched-pds"
         ];
-        pds = if mm == "5.4"
+        pds = if version == "5.4"
           then [
-            "0005-v${mm}_undead-pds099o"
+            "0005-v${version}_undead-pds099o"
             "0005-glitched-pds"
           ]
           else [
-            "0009-prjc_v${mm}-r${prjcRevisions.${mm}}"
+            "0009-prjc_v${version}-r${prjcRevisions.${version}}"
             "0005-glitched-pds"
           ];
-        bmq = if mm == "5.4"
+        bmq = if version == "5.4"
           then [
             "0009-bmq_v5.4-r2"
             "0009-glitched-bmq"
           ]
           else [
-            "0009-prjc_v${mm}-r${prjcRevisions.${mm}}"
+            "0009-prjc_v${version}-r${prjcRevisions.${version}}"
             "0009-glitched-bmq"
           ];
         cacule = [
-          "0003-cacule-${mm}"
+          "0003-cacule-${version}"
           "0003-glitched-cfs"
         ];
         cfs = ["0003-glitched-cfs"];
@@ -313,10 +289,10 @@ let
     let map = rec {
       muqss = "0004-glitched-ondemand-muqss";
       upds = "0005-undead-glitched-ondemand-pds";
-      pds = if mm == "5.4"
+      pds = if version == "5.4"
         then "0005-glitched-ondemand-pds"
         else "0009-glitched-ondemand-bmq";
-      bmq = if mm != "5.4"
+      bmq = if version != "5.4"
         then "0009-glitched-ondemand-bmq"
         else {};
     }; in
@@ -324,21 +300,21 @@ let
     then [map.${scheduler}]
     else []
   )
-  ++ lib.optional bcachefs "0008-${mm}-bcachefs"
-  ++ lib.optional fsync "0007-v${mm}-fsync"
-  ++ lib.optional futex2 "0007-v${mm}-futex2_interface"
-  ++ lib.optional winesync "0007-v${mm}-winesync"
+  ++ lib.optional bcachefs "0008-${version}-bcachefs"
+  ++ lib.optional fsync "0007-v${version}-fsync"
+  ++ lib.optional futex2 "0007-v${version}-futex2_interface"
+  ++ lib.optional winesync "0007-v${version}-winesync"
   ++ lib.optional zfsFix "0011-ZFS-fix";
 
   toPatch = name: {
     inherit name;
-    patch = "${tkgSource}/linux-tkg-patches/${mm}/${name}.patch";
+    patch = "${sources.tkg}/linux-tkg-patches/${version}/${name}.patch";
   };
   tkgPatches = builtins.map (e: toPatch e) (lib.naturalSort patchNames);
 
   suffix = if builtins.stringLength localVersion != 0 then "-tkg-${localVersion}" else "-tkg";
 in buildLinux(args // rec {
-  version = "${mmp}-tkg";
+  version = "${sources.fullVersion}-tkg";
   modDirVersion = version + suffix;
 
   isZen = zenify;
@@ -351,9 +327,9 @@ in buildLinux(args // rec {
 
   kernelPatches = #args.kernelPatches
     [{
-       name = "patch-${mmp}";
-       patch = kernelUrl "patch-${mmp}" "17d38hns5qfbw1pajpa5y38v86r49nqnw7a3pwsay5fapj69z8w4";
+       name = "patch-${version}";
+       patch = sources.patchSrc;
     }]
     ++ tkgPatches;
-  src = kernelUrl "linux-${mm}.tar" "0rn3z942vjc7bixjw066rm6kcr0x0wzgxqfq1f6xd113pzrgc3bx";
+  src = sources.kernelSrc;
 } // (args.argsOverride or {}))
diff --git a/packages/linux-tkg/sources.nix b/packages/linux-tkg/sources.nix
new file mode 100644
index 0000000..1619844
--- /dev/null
+++ b/packages/linux-tkg/sources.nix
@@ -0,0 +1,44 @@
+{ fetchFromGitHub, lib, version }:
+let
+  vMap = {
+    "5.4" = {
+      version = "5.4.128";
+      baseHash = "14glqppn90z79b36k4c76mv90q933i2bg54rgwlcl2v7n608jcxz";
+      patchHash = "04ylr4f4amzviqljhc6i79dqhjmjx45shf0rply1v5zqlfndb459";
+    };
+    "5.10" = {
+      version = "5.10.46";
+      baseHash = "0hyav21vzz5v1kgb455pcz9ncg5qqzxmp60na290scwq7vj9kpyw";
+      patchHash = "0jl31aayxyns3pkvm9mycvwakg2i45win9nfbirhcz7z5gfsa7fg";
+    };
+    "5.12" = {
+      version = "5.12.13";
+      baseHash = "0rn3z942vjc7bixjw066rm6kcr0x0wzgxqfq1f6xd113pzrgc3bx";
+      patchHash = "17d38hns5qfbw1pajpa5y38v86r49nqnw7a3pwsay5fapj69z8w4";
+    };
+  };
+
+  tkg = fetchFromGitHub {
+    owner = "Frogging-Family";
+    repo = "linux-tkg";
+    rev = "2da317c20ed6f70085b195639b9aad2cacf31ab5";
+    sha256 = "06a5fpafids8nc550pcsyvar2igphi6bpghqzl6cp48hg6p2g07w";
+  };
+
+  ver =
+    if builtins.hasAttr version vMap
+    then vMap.${version}
+    else throw "Unsupported version";
+in rec {
+  inherit tkg;
+
+  fullVersion = ver.version;
+  kernelSrc = builtins.fetchurl {
+    url = "https://cdn.kernel.org/pub/linux/kernel/v${lib.versions.major version}.x/linux-${version}.tar.xz";
+    sha256 = ver.baseHash;
+  };
+  patchSrc = builtins.fetchurl {
+    url = "https://cdn.kernel.org/pub/linux/kernel/v${lib.versions.major version}.x/patch-${fullVersion}.xz";
+    sha256 = ver.patchHash;
+  };
+}