diff --git a/authentik/outposts/controllers/k8s/base.py b/authentik/outposts/controllers/k8s/base.py
index f306369c980c..0602462452c8 100644
--- a/authentik/outposts/controllers/k8s/base.py
+++ b/authentik/outposts/controllers/k8s/base.py
@@ -207,7 +207,7 @@ def get_object_meta(self, **kwargs) -> V1ObjectMeta:
                 "app.kubernetes.io/instance": slugify(self.controller.outpost.name),
                 "app.kubernetes.io/managed-by": "goauthentik.io",
                 "app.kubernetes.io/name": f"authentik-{self.controller.outpost.type.lower()}",
-                "app.kubernetes.io/version": get_version(),
+                "app.kubernetes.io/version": get_version().replace("+", "-"),
                 "goauthentik.io/outpost-name": slugify(self.controller.outpost.name),
                 "goauthentik.io/outpost-type": str(self.controller.outpost.type),
                 "goauthentik.io/outpost-uuid": self.controller.outpost.uuid.hex,
diff --git a/authentik/outposts/controllers/k8s/deployment.py b/authentik/outposts/controllers/k8s/deployment.py
index fe12a4404efb..83dd4a9e6af0 100644
--- a/authentik/outposts/controllers/k8s/deployment.py
+++ b/authentik/outposts/controllers/k8s/deployment.py
@@ -94,7 +94,7 @@ def get_reference_object(self) -> V1Deployment:
         meta = self.get_object_meta(name=self.name)
         image_name = self.controller.get_container_image()
         image_pull_secrets = self.outpost.config.kubernetes_image_pull_secrets
-        version = get_full_version()
+        version = get_full_version().replace("+", "-")
         return V1Deployment(
             metadata=meta,
             spec=V1DeploymentSpec(
diff --git a/authentik/outposts/controllers/k8s/service_monitor.py b/authentik/outposts/controllers/k8s/service_monitor.py
index 4e80e23ca3ea..c40bdb3feab3 100644
--- a/authentik/outposts/controllers/k8s/service_monitor.py
+++ b/authentik/outposts/controllers/k8s/service_monitor.py
@@ -13,7 +13,7 @@
     from authentik.outposts.controllers.kubernetes import KubernetesController
 
 
-@dataclass
+@dataclass(slots=True)
 class PrometheusServiceMonitorSpecEndpoint:
     """Prometheus ServiceMonitor endpoint spec"""
 
@@ -21,14 +21,14 @@ class PrometheusServiceMonitorSpecEndpoint:
     path: str = field(default="/metrics")
 
 
-@dataclass
+@dataclass(slots=True)
 class PrometheusServiceMonitorSpecSelector:
     """Prometheus ServiceMonitor selector spec"""
 
     matchLabels: dict
 
 
-@dataclass
+@dataclass(slots=True)
 class PrometheusServiceMonitorSpec:
     """Prometheus ServiceMonitor spec"""
 
@@ -37,7 +37,7 @@ class PrometheusServiceMonitorSpec:
     selector: PrometheusServiceMonitorSpecSelector
 
 
-@dataclass
+@dataclass(slots=True)
 class PrometheusServiceMonitorMetadata:
     """Prometheus ServiceMonitor metadata"""
 
@@ -46,7 +46,7 @@ class PrometheusServiceMonitorMetadata:
     labels: dict = field(default_factory=dict)
 
 
-@dataclass
+@dataclass(slots=True)
 class PrometheusServiceMonitor:
     """Prometheus ServiceMonitor"""
 
diff --git a/authentik/providers/proxy/controllers/k8s/traefik_3.py b/authentik/providers/proxy/controllers/k8s/traefik_3.py
index 132f7621e4d9..a15f9caf4eb6 100644
--- a/authentik/providers/proxy/controllers/k8s/traefik_3.py
+++ b/authentik/providers/proxy/controllers/k8s/traefik_3.py
@@ -15,7 +15,7 @@
     from authentik.outposts.controllers.kubernetes import KubernetesController
 
 
-@dataclass
+@dataclass(slots=True)
 class TraefikMiddlewareSpecForwardAuth:
     """traefik middleware forwardAuth spec"""
 
@@ -28,14 +28,14 @@ class TraefikMiddlewareSpecForwardAuth:
     trustForwardHeader: bool = field(default=True)
 
 
-@dataclass
+@dataclass(slots=True)
 class TraefikMiddlewareSpec:
     """Traefik middleware spec"""
 
     forwardAuth: TraefikMiddlewareSpecForwardAuth
 
 
-@dataclass
+@dataclass(slots=True)
 class TraefikMiddlewareMetadata:
     """Traefik Middleware metadata"""
 
@@ -44,7 +44,7 @@ class TraefikMiddlewareMetadata:
     labels: dict = field(default_factory=dict)
 
 
-@dataclass
+@dataclass(slots=True)
 class TraefikMiddleware:
     """Traefik Middleware"""