diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3134ee739..b3971324f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
 ## Release (2026-MM-DD)
 - `core`: [v0.24.0](core/CHANGELOG.md#v0240) 
   - **Bugfix:** Allow setting waiter timeouts via context, that are longer than the default timeout.
-- `iaas`: [v1.7.1](services/iaas/CHANGELOG.md#v171)
-  - **Docs:** Extend description of `PortRange` struct
+- `iaas`:
+  - [v1.8.0](services/iaas/CHANGELOG.md#v180)
+    - **Dependencies:** Bump resourcemanager from `v0.20.1` to `v0.21.0`
+  - [v1.7.1](services/iaas/CHANGELOG.md#v171)
+    - **Docs:** Extend description of `PortRange` struct
 - `ske`: [v1.11.0](services/ske/CHANGELOG.md#v1110)
   - Package `v2api`:
     - **Breaking change:** Remove `RuntimeError`
diff --git a/examples/iaas/go.mod b/examples/iaas/go.mod
index b1709b9a1..16b42c9e3 100644
--- a/examples/iaas/go.mod
+++ b/examples/iaas/go.mod
@@ -13,5 +13,5 @@ require (
 require (
 	github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1 // indirect
+	github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0 // indirect
 )
diff --git a/examples/iaas/go.sum b/examples/iaas/go.sum
index bc9310843..356201331 100644
--- a/examples/iaas/go.sum
+++ b/examples/iaas/go.sum
@@ -6,5 +6,5 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/stackitcloud/stackit-sdk-go/core v0.23.0 h1:zPrOhf3Xe47rKRs1fg/AqKYUiJJRYjdcv+3qsS50mEs=
 github.com/stackitcloud/stackit-sdk-go/core v0.23.0/go.mod h1:osMglDby4csGZ5sIfhNyYq1bS1TxIdPY88+skE/kkmI=
-github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1 h1:IvZqEXjRjXrkjY0aSZFZ5zccOr2ZB+fj+N8AG46ajC4=
-github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1/go.mod h1:yjrIuyp6+6RCYTiP77NGV1DniULFyhLTz9B5ebwvF40=
+github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0 h1:ey0wPQLM9DjQPcpTFsJHYuNu1huCKBxi9Pc5XFdIWNA=
+github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0/go.mod h1:yjrIuyp6+6RCYTiP77NGV1DniULFyhLTz9B5ebwvF40=
diff --git a/services/iaas/CHANGELOG.md b/services/iaas/CHANGELOG.md
index 0841befa0..d52481fee 100644
--- a/services/iaas/CHANGELOG.md
+++ b/services/iaas/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v1.8.0
+- **Dependencies:** Bump resourcemanager from `v0.20.1` to `v0.21.0`
+
 ## v1.7.1
 - **Docs:** Extend description of `PortRange` struct 
 
diff --git a/services/iaas/VERSION b/services/iaas/VERSION
index a97fc4411..804a616da 100644
--- a/services/iaas/VERSION
+++ b/services/iaas/VERSION
@@ -1 +1 @@
-v1.7.1
+v1.8.0
diff --git a/services/iaas/go.mod b/services/iaas/go.mod
index fb65c201d..2dcf16d4f 100644
--- a/services/iaas/go.mod
+++ b/services/iaas/go.mod
@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/google/go-cmp v0.7.0
 	github.com/stackitcloud/stackit-sdk-go/core v0.23.0
-	github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1
+	github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0
 )
 
 require (
diff --git a/services/iaas/go.sum b/services/iaas/go.sum
index bc9310843..356201331 100644
--- a/services/iaas/go.sum
+++ b/services/iaas/go.sum
@@ -6,5 +6,5 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/stackitcloud/stackit-sdk-go/core v0.23.0 h1:zPrOhf3Xe47rKRs1fg/AqKYUiJJRYjdcv+3qsS50mEs=
 github.com/stackitcloud/stackit-sdk-go/core v0.23.0/go.mod h1:osMglDby4csGZ5sIfhNyYq1bS1TxIdPY88+skE/kkmI=
-github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1 h1:IvZqEXjRjXrkjY0aSZFZ5zccOr2ZB+fj+N8AG46ajC4=
-github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.20.1/go.mod h1:yjrIuyp6+6RCYTiP77NGV1DniULFyhLTz9B5ebwvF40=
+github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0 h1:ey0wPQLM9DjQPcpTFsJHYuNu1huCKBxi9Pc5XFdIWNA=
+github.com/stackitcloud/stackit-sdk-go/services/resourcemanager v0.21.0/go.mod h1:yjrIuyp6+6RCYTiP77NGV1DniULFyhLTz9B5ebwvF40=
diff --git a/services/iaas/oas_commit b/services/iaas/oas_commit
index 6460cce17..c0e556958 100644
--- a/services/iaas/oas_commit
+++ b/services/iaas/oas_commit
@@ -1 +1 @@
-bd1f0bdf70ded8202c46141b84f07b38d55de227
+779c34469d663919ed700f2c69487eb5cccf70f3