diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72184863..cb2e18f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
   - New value `eu02` in region enum
 - `postgresflex`: [v1.0.0](services/postgresflex/CHANGELOG.md#v100-2025-02-27)
   - **Breaking Change:** The region is no longer specified within the client configuration. Instead, the region must be passed as a parameter to any region-specific request.
+- `ske`: [v0.4.0](services/ske/CHANGELOG.md#v040-2025-02-27)
+  - `Nodepool`: `maximum` and `minimum` must be <= 1000
 
 ## Release (2025-02-11)
 
diff --git a/services/ske/CHANGELOG.md b/services/ske/CHANGELOG.md
index 638cc8d9..8857cf33 100644
--- a/services/ske/CHANGELOG.md
+++ b/services/ske/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v0.4.0 (2025-02-27)
+
+- `Nodepool`: `maximum` and `minimum` must be <= 1000
+
 ## v0.3.0 (2025-02-06)
 
 - **Removal:** The following methods were removed after deprecation (2024-04-16) and [`serviceenablement` SDK](https://github.com/stackitcloud/stackit-sdk-python/tree/main/services/serviceenablement) must be used instead.
diff --git a/services/ske/src/stackit/ske/models/nodepool.py b/services/ske/src/stackit/ske/models/nodepool.py
index 7d1b6004..0bf62610 100644
--- a/services/ske/src/stackit/ske/models/nodepool.py
+++ b/services/ske/src/stackit/ske/models/nodepool.py
@@ -40,8 +40,12 @@ class Nodepool(BaseModel):
     machine: Machine
     max_surge: Optional[StrictInt] = Field(default=None, alias="maxSurge")
     max_unavailable: Optional[StrictInt] = Field(default=None, alias="maxUnavailable")
-    maximum: Annotated[int, Field(strict=True, ge=1)]
-    minimum: StrictInt
+    maximum: Annotated[int, Field(le=1000, strict=True, ge=1)] = Field(
+        description="Maximum number of nodes in the pool. During runtime, the cluster will never scale beyond 1000 nodes, even if the total maximum would allow for a larger cluster."
+    )
+    minimum: Annotated[int, Field(le=1000, strict=True)] = Field(
+        description="Minimum number of nodes in the pool. The sum of all minima must not exceed 1000."
+    )
     name: StrictStr = Field(description="Maximum 15 chars")
     taints: Optional[List[Taint]] = None
     volume: Volume