diff --git a/pkgs/applications/networking/cluster/k3s/1_35/chart-versions.nix b/pkgs/applications/networking/cluster/k3s/1_35/chart-versions.nix
index 5ce71b5a5bb6..df7d8abdceac 100644
--- a/pkgs/applications/networking/cluster/k3s/1_35/chart-versions.nix
+++ b/pkgs/applications/networking/cluster/k3s/1_35/chart-versions.nix
@@ -1,10 +1,10 @@
 {
   traefik-crd = {
-    url = "https://k3s.io/k3s-charts/assets/traefik-crd/traefik-crd-39.0.701+up39.0.7.tgz";
-    sha256 = "1ii00d4r0lmzwi8n16m2fgi50j0s5cj1bm0jlsi3dbdbpq0savi3";
+    url = "https://k3s.io/k3s-charts/assets/traefik-crd/traefik-crd-40.1.3+up40.1.0.tgz";
+    sha256 = "0wrjc73w4h7bshm5lg6hb71h6s49wmxkmplrf6601zq400yr0m2y";
   };
   traefik = {
-    url = "https://k3s.io/k3s-charts/assets/traefik/traefik-39.0.701+up39.0.7.tgz";
-    sha256 = "1ijrh3wr4k6ydcv0ylvy4i3swbj5byam0lkk51khfl9mmz4z8y0r";
+    url = "https://k3s.io/k3s-charts/assets/traefik/traefik-40.1.3+up40.1.0.tgz";
+    sha256 = "1sgc46xpc2vg5s5vbs7jk2y2bzylf34qcamx681jq0gfjaxs0cdz";
   };
 }
diff --git a/pkgs/applications/networking/cluster/k3s/1_35/images-versions.json b/pkgs/applications/networking/cluster/k3s/1_35/images-versions.json
index d2675277bd54..bc929fe914c9 100644
--- a/pkgs/applications/networking/cluster/k3s/1_35/images-versions.json
+++ b/pkgs/applications/networking/cluster/k3s/1_35/images-versions.json
@@ -1,26 +1,26 @@
 {
   "airgap-images-amd64-tar-gz": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-amd64.tar.gz",
-    "sha256": "b25863ba596e81ee773b462edc1b7ee26e80ff8e675c983115464372713237ac"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-amd64.tar.gz",
+    "sha256": "0ffcf255abd68eb4a321c9b13e1b596c1d32a59c5b9bbcaa4d415f213ba34cf1"
   },
   "airgap-images-amd64-tar-zst": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-amd64.tar.zst",
-    "sha256": "c1a261f664a58664aab975ba5c861d872c825d4f8ccc391c649283bf2c1663cf"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-amd64.tar.zst",
+    "sha256": "b3af3ad5f8faaaf5deb3e875815f0805f2abd31f8c2f4d566cc2d9e6bb7e688a"
   },
   "airgap-images-arm-tar-gz": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-arm.tar.gz",
-    "sha256": "5b9fc436d67f0ca941084c512715f2ea21e6c66732144145788f1403ffd6c082"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-arm.tar.gz",
+    "sha256": "1e5747971cc382ef44b3f0b0aa640da45642c2bec330fd6daae28d61c90f0eca"
   },
   "airgap-images-arm-tar-zst": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-arm.tar.zst",
-    "sha256": "1613727aaa8ae55a1a597a2914faf9ab909a710e175a26b4652754b25ab01337"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-arm.tar.zst",
+    "sha256": "29eae298befd23f13426443ccc049921874dd4e4987c4e5e15a1e63b816177fd"
   },
   "airgap-images-arm64-tar-gz": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-arm64.tar.gz",
-    "sha256": "bc085e02004382b15413e98457079e2a0a3d8f18b3c9a4a58917f1bc6064ea29"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-arm64.tar.gz",
+    "sha256": "14d4b33fd5dbc60c47d2c025b9a0cb1fa617e3ff351cc9c284ad9da3caf0263b"
   },
   "airgap-images-arm64-tar-zst": {
-    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.5%2Bk3s1/k3s-airgap-images-arm64.tar.zst",
-    "sha256": "0bf33db3b0595166f1c36a6780ebd789343f50f23a4d61157519ada4d002919d"
+    "url": "https://github.com/k3s-io/k3s/releases/download/v1.35.6%2Bk3s1/k3s-airgap-images-arm64.tar.zst",
+    "sha256": "850056a90a804ae95977bed34bcaf7d0cbc9fcb794700a25f34454c2b2fd6b50"
   }
 }
diff --git a/pkgs/applications/networking/cluster/k3s/1_35/versions.nix b/pkgs/applications/networking/cluster/k3s/1_35/versions.nix
index b9f0c59bf1ad..9e3e82739c1b 100644
--- a/pkgs/applications/networking/cluster/k3s/1_35/versions.nix
+++ b/pkgs/applications/networking/cluster/k3s/1_35/versions.nix
@@ -1,21 +1,21 @@
 {
-  k3sVersion = "1.35.5+k3s1";
-  k3sCommit = "6a4781ad53ee5cad273bedcd9462ae36ac97d798";
-  k3sRepoSha256 = "1m6sy7p5v3kkg66mzsna9c4d1f7ly843ii42zmb2a26vxa0dicx3";
-  k3sVendorHash = "sha256-czE0ZJ9yWc3VSuPqjy4V+ViBGPriluMPmUK5aTk4DmY=";
+  k3sVersion = "1.35.6+k3s1";
+  k3sCommit = "87243446a2c2fe958c31ad552fe38ebf96757b06";
+  k3sRepoSha256 = "0hcd2pyd66isnii7x6nbw420n0sc7rwrbws4aayakas1xi0yrkzq";
+  k3sVendorHash = "sha256-U8JM3CKLGUMWLntMyczrHCW+WMAeiDy2xwzR39InvCM=";
   chartVersions = import ./chart-versions.nix;
   imagesVersions = builtins.fromJSON (builtins.readFile ./images-versions.json);
-  k3sRootVersion = "0.15.0";
-  k3sRootSha256 = "008n8xx7x36y9y4r24hx39xagf1dxbp3pqq2j53s9zkaiqc62hd0";
+  k3sRootVersion = "0.15.2";
+  k3sRootSha256 = "0yxq2jqqb7flm4rs9dl7fqxba3mmwkmjbc8rx7pgai4qa1lzyigy";
   k3sCNIVersion = "1.9.1-k3s1";
   k3sCNISha256 = "1ggaz0p1c2k94car9d89a05smz3zx32sxn197b1l5kmjcnzdwadh";
-  containerdVersion = "2.2.3-k3s1";
-  containerdSha256 = "0fn252icn082822r754i2bqd8rivhvjwkfk031a8g0vvw8rz46vj";
+  containerdVersion = "2.2.5-k3s2";
+  containerdSha256 = "1i9vkmf3gg34d9hjq15c00frhqxs9cba03zwg7qqq34gkb4qhjch";
   containerdPackage = "github.com/k3s-io/containerd/v2";
   criCtlVersion = "1.35.0-k3s2";
   flannelVersion = "v0.28.4";
   flannelPluginVersion = "v1.9.0-flannel1";
   kubeRouterVersion = "v2.6.3-k3s1";
   criDockerdVersion = "v0.3.19-k3s3";
-  helmJobVersion = "v0.10.0-build20260513";
+  helmJobVersion = "v0.11.1-build20260615";
 }