diff --git a/pkgs/os-specific/linux/kernel/kernels-org.json b/pkgs/os-specific/linux/kernel/kernels-org.json
index 630cc673e791..3284b4d54aa0 100644
--- a/pkgs/os-specific/linux/kernel/kernels-org.json
+++ b/pkgs/os-specific/linux/kernel/kernels-org.json
@@ -1,7 +1,7 @@
 {
     "testing": {
-        "version": "6.14-rc2",
-        "hash": "sha256:1i7zxjz0vckl31cb6anb0b9m0k7l3y2gk6r5y6in41p8mjf4rrpk"
+        "version": "6.14-rc3",
+        "hash": "sha256:19w0hzb4bbfsckd189p4fvsm6nhsrsbsrwr9ca2k2gxmdjdyd9hi"
     },
     "6.1": {
         "version": "6.1.128",
@@ -20,19 +20,19 @@
         "hash": "sha256:0mm4q8f6kbqddy4zaxjf5xyqpnla5qprvsf7v3vq01gmlzr3rivc"
     },
     "6.6": {
-        "version": "6.6.77",
-        "hash": "sha256:0km855dnimg1clilnpcz293bd2gpbycvn3llm9kyynhjrzgqj408"
+        "version": "6.6.78",
+        "hash": "sha256:1vckmam50nw8gms1wj18p5mv7rkpl849k3q587bkl4smsndrm8ss"
     },
     "6.11": {
         "version": "6.11.11",
         "hash": "sha256:1z2913y38clnlmhvwj49h7p4pic24s4d8np7nmd4lk7m2xz8w532"
     },
     "6.12": {
-        "version": "6.12.13",
-        "hash": "sha256:1fpvfj4q2v3przxj5lkb3ra28h3g0mq9dqj4rvx4qnsmkvmdxszk"
+        "version": "6.12.14",
+        "hash": "sha256:054gi5fp60d2536z06b1lmys9zlraixh22yb75z42xfqnjzz88wl"
     },
     "6.13": {
-        "version": "6.13.2",
-        "hash": "sha256:01g73bnif9ynccb772628sca01y8zkww8wzb39qfkfvbj20jkxnd"
+        "version": "6.13.3",
+        "hash": "sha256:0b60rbii83lx2h455nm66hhlnygckprbaw3qifmala16xlazncys"
     }
 }
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 088c7ef0fe50..9b6afa18763d 100644
--- a/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix
+++ b/pkgs/os-specific/linux/kernel/linux-rt-6.1.nix
@@ -10,7 +10,7 @@
 }@args:
 
 let
-  version = "6.1.127-rt48"; # updated by ./update-rt.sh
+  version = "6.1.128-rt49"; # updated by ./update-rt.sh
   branch = lib.versions.majorMinor version;
   kversion = builtins.elemAt (lib.splitString "-" version) 0;
 in
@@ -29,7 +29,7 @@ buildLinux (
 
     src = fetchurl {
       url = "mirror://kernel/linux/kernel/v6.x/linux-${kversion}.tar.xz";
-      sha256 = "0xkqpwhvz6qhaxzg1j993lv1iyvb2zydgq6d8mhdbfkz38fx9c0q";
+      sha256 = "1wshgkgcxaf4mnm4ngngsj8gq1cg8kq56f5kqsdfcw0m339nfkc7";
     };
 
     kernelPatches =
@@ -38,7 +38,7 @@ buildLinux (
           name = "rt";
           patch = fetchurl {
             url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
-            sha256 = "1sq79iibjsph3jmmihabamzmm4sr68sw87jqqa3khzq7f2s6cwmg";
+            sha256 = "1gyy9zwfcczy9v8790f06kaz7gg75a4cf4qpyjffqx3s21lwzbjf";
           };
         };
       in
diff --git a/pkgs/os-specific/linux/kernel/linux-rt-6.6.nix b/pkgs/os-specific/linux/kernel/linux-rt-6.6.nix
index 3210da6a022b..7e217a23ea28 100644
--- a/pkgs/os-specific/linux/kernel/linux-rt-6.6.nix
+++ b/pkgs/os-specific/linux/kernel/linux-rt-6.6.nix
@@ -10,7 +10,7 @@
 }@args:
 
 let
-  version = "6.6.74-rt48"; # updated by ./update-rt.sh
+  version = "6.6.77-rt50"; # updated by ./update-rt.sh
   branch = lib.versions.majorMinor version;
   kversion = builtins.elemAt (lib.splitString "-" version) 0;
 in
@@ -29,7 +29,7 @@ buildLinux (
 
     src = fetchurl {
       url = "mirror://kernel/linux/kernel/v6.x/linux-${kversion}.tar.xz";
-      sha256 = "0ka9snxl0y57fajy8vszwa4ggn48pid8m1879d4vl3mbicd2nppi";
+      sha256 = "0km855dnimg1clilnpcz293bd2gpbycvn3llm9kyynhjrzgqj408";
     };
 
     kernelPatches =
@@ -38,7 +38,7 @@ buildLinux (
           name = "rt";
           patch = fetchurl {
             url = "mirror://kernel/linux/kernel/projects/rt/${branch}/older/patch-${version}.patch.xz";
-            sha256 = "1rpbbm9fln2v6xigxrsajivr4zmh0nika3nmm1y7ws31njkg57gq";
+            sha256 = "10kzns1c6yqn7az2i7zwm1lnss56mi6w44rw7xm2kk6n1h80590n";
           };
         };
       in