diff --git a/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix b/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix
index 1161162981ea..ac18aa2634e7 100644
--- a/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix
+++ b/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix
@@ -6,7 +6,7 @@
 , ... } @ args:
 
 let
-  version = "6.1.96-rt35"; # updated by ./update-rt.sh
+  version = "6.1.99-rt36"; # updated by ./update-rt.sh
   branch = lib.versions.majorMinor version;
   kversion = builtins.elemAt (lib.splitString "-" version) 0;
 in buildLinux (args // {
@@ -19,14 +19,14 @@ in buildLinux (args // {
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v6.x/linux-${kversion}.tar.xz";
-    sha256 = "1ab290vm6h8vj1qi1qhxzh9kc6dbgpkwybcwzw1aprz5kl3cjxry";
+    sha256 = "1lsdwdx7i7xw1rzq88k3bz8sar77gb4rnmjx11pbmvmiwaffx1n0";
   };
 
   kernelPatches = let rt-patch = {
     name = "rt";
     patch = fetchurl {
       url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
-      sha256 = "1adjwxzx37w70h11ig6wcii8xb4dggw5x6si15zlsnr61dalys2d";
+      sha256 = "17a468lar9kf0q6n3vmknrbasrwp6pmq2gg39n1sp1bmmpr43qsf";
     };
   }; in [ rt-patch ] ++ kernelPatches;