diff --git a/ci/cluster-tests.yaml b/ci/cluster-tests.yaml
index 607cec1d710c46e9c392bae83a9f849c944f929d..617c6b35678cf3456b71c4d492630c42564c41b6 100644
--- a/ci/cluster-tests.yaml
+++ b/ci/cluster-tests.yaml
@@ -318,18 +318,18 @@
 
     # Upgrade cluster to k8s v1.33
     # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-  - MANAGED_K8S_RELEASE_THE_KRAKEN=true ./managed-k8s/actions/upgrade.sh 1.33.6
+  - MANAGED_K8S_RELEASE_THE_KRAKEN=true ./managed-k8s/actions/upgrade.sh 1.33.7
     # Update k8s version
     # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-  - tomlq --in-place --toml-output '.kubernetes.version = "1.33.6"' config/overrides.toml
+  - tomlq --in-place --toml-output '.kubernetes.version = "1.33.7"' config/overrides.toml
   - ./managed-k8s/actions/k8s-login.sh
 
     # Upgrade cluster to k8s v1.34
     # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-  - MANAGED_K8S_RELEASE_THE_KRAKEN=true ./managed-k8s/actions/upgrade.sh 1.34.2
+  - MANAGED_K8S_RELEASE_THE_KRAKEN=true ./managed-k8s/actions/upgrade.sh 1.34.3
     # Update k8s version
     # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-  - tomlq --in-place --toml-output '.kubernetes.version = "1.34.2"' config/overrides.toml
+  - tomlq --in-place --toml-output '.kubernetes.version = "1.34.3"' config/overrides.toml
   - ./managed-k8s/actions/k8s-login.sh
 
     # Shuffle once more
diff --git a/docs/_releasenotes/2227.chore.kubernetes-kubernetes-updated-to-v1.34.3 b/docs/_releasenotes/2227.chore.kubernetes-kubernetes-updated-to-v1.34.3
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/docs/user/reference/options/yk8s.kubernetes.rst b/docs/user/reference/options/yk8s.kubernetes.rst
index 19a148e7aab52e4cedc54632fc22bc34762f816a..e3511670fbae774ab0a3c922bd54f441acbc68c0 100644
--- a/docs/user/reference/options/yk8s.kubernetes.rst
+++ b/docs/user/reference/options/yk8s.kubernetes.rst
@@ -501,7 +501,7 @@ Kubernetes version
 
 **Default:**::
 
-  "1.34.2"
+  "1.34.3"
 
 
 **Declared by**
diff --git a/nix/templates/cluster-repo/config/default.nix b/nix/templates/cluster-repo/config/default.nix
index 81aa79c5ff643df2590795035f427da943633727..d5027a286f4ca43d64e067cb8aa1f6e2ee744c9d 100644
--- a/nix/templates/cluster-repo/config/default.nix
+++ b/nix/templates/cluster-repo/config/default.nix
@@ -55,7 +55,7 @@ in {
         #       management which keeps the Kubernetes version up-to-date with
         #       renovate-bot. Safe to remove.
         # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-        version = "1.33.6";
+        version = "1.33.7";
       };
       wireguard = {
         enabled = true;
diff --git a/nix/yk8s/kubernetes/default.nix b/nix/yk8s/kubernetes/default.nix
index 224f58095364ca2216b9b55131e0ea6b60dccf91..106a4c694de3e23a0f56135b1a3ad2ff81cdc35c 100644
--- a/nix/yk8s/kubernetes/default.nix
+++ b/nix/yk8s/kubernetes/default.nix
@@ -45,7 +45,7 @@ in {
         [1 34]
       ];
       # renovate: datasource=github-releases packageName=kubernetes/kubernetes
-      default = "1.34.2";
+      default = "1.34.3";
     };
     is_gpu_cluster = mkOption {
       description = ''