diff --git a/CHANGELOG.md b/CHANGELOG.md
index 823a6ab..685ecfe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Release (2026-MM-DD)
+- `iaas`: [v1.0.1](services/iaas/CHANGELOG.md#v101)
+  - **Docs:** Extend docs of class `PortRange`
+
 ## Release (2026-03-24)
 - `alb`:
   - [v0.4.0](services/alb/CHANGELOG.md#v040)
diff --git a/services/iaas/CHANGELOG.md b/services/iaas/CHANGELOG.md
index 49698de..b51718b 100644
--- a/services/iaas/CHANGELOG.md
+++ b/services/iaas/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v1.0.1
+- **Docs:** Extend docs of class `PortRange`
+
 ## v1.0.0
 - **Breaking Change:** Add required `region` parameter to most API methods in `DefaultApi` class.
 - **Breaking Change:** Removal of API methods from `DefaultApi` class: `listSnapshots`, `updateImageScopeLocal`, `updateImageScopePublic`.
diff --git a/services/iaas/VERSION b/services/iaas/VERSION
index 3eefcb9..7dea76e 100644
--- a/services/iaas/VERSION
+++ b/services/iaas/VERSION
@@ -1 +1 @@
-1.0.0
+1.0.1
diff --git a/services/iaas/oas_commit b/services/iaas/oas_commit
new file mode 100644
index 0000000..c0e5569
--- /dev/null
+++ b/services/iaas/oas_commit
@@ -0,0 +1 @@
+779c34469d663919ed700f2c69487eb5cccf70f3
diff --git a/services/iaas/src/main/java/cloud/stackit/sdk/iaas/model/PortRange.java b/services/iaas/src/main/java/cloud/stackit/sdk/iaas/model/PortRange.java
index 7f70b35..5cdfc78 100644
--- a/services/iaas/src/main/java/cloud/stackit/sdk/iaas/model/PortRange.java
+++ b/services/iaas/src/main/java/cloud/stackit/sdk/iaas/model/PortRange.java
@@ -30,7 +30,10 @@
 import java.util.Map;
 import java.util.Objects;
 
-/** Object that represents a range of ports. */
+/**
+ * Object that represents a range of ports (this will be omitted if it covers the full default range
+ * 0/1-65535).
+ */
 @javax.annotation.Generated(
 		value = "org.openapitools.codegen.languages.JavaClientCodegen",
 		comments = "Generator version: 7.19.0")