diff --git a/go.mod b/go.mod
index 305ee40b..d197908b 100644
--- a/go.mod
+++ b/go.mod
@@ -7,8 +7,8 @@ require (
 	github.com/gophercloud/gophercloud/v2 v2.3.0
 	github.com/gophercloud/utils/v2 v2.0.0-20241209100706-e3a3b7c07d26
 	github.com/olekukonko/tablewriter v0.0.5
-	github.com/sapcc/go-api-declarations v1.13.1
-	github.com/sapcc/go-bits v0.0.0-20241212142854-05ca4ed3590b
+	github.com/sapcc/go-api-declarations v1.13.2
+	github.com/sapcc/go-bits v0.0.0-20241218093949-097cd3204f32
 	github.com/sapcc/gophercloud-sapcc/v2 v2.0.2
 	github.com/spf13/cobra v1.8.1
 )
diff --git a/go.sum b/go.sum
index 70cafcca..2ec4b6f4 100644
--- a/go.sum
+++ b/go.sum
@@ -51,10 +51,10 @@ github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoG
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/sapcc/go-api-declarations v1.13.1 h1:rovCnLscnoZaIZPWhohSYHzwwYjOnCPsRw3zwtu4tLI=
-github.com/sapcc/go-api-declarations v1.13.1/go.mod h1:83R3hTANhuRXt/pXDby37IJetw8l7DG41s33Tp9NXxI=
-github.com/sapcc/go-bits v0.0.0-20241212142854-05ca4ed3590b h1:cM4EQms/mIYmB9/ZhxsbVHpINlDBAAf/PZ/ymXiiLXo=
-github.com/sapcc/go-bits v0.0.0-20241212142854-05ca4ed3590b/go.mod h1:DrcK3N8lISMoxhS+e3pnrSyRZl83OGyNJdohpk9hjHo=
+github.com/sapcc/go-api-declarations v1.13.2 h1:dPYYsjwKGObSAm6+K+dYCiLQWunYuWkywlZnuXfjsmk=
+github.com/sapcc/go-api-declarations v1.13.2/go.mod h1:83R3hTANhuRXt/pXDby37IJetw8l7DG41s33Tp9NXxI=
+github.com/sapcc/go-bits v0.0.0-20241218093949-097cd3204f32 h1:sgH927I2gZFRAweadTfEwNGQBYJ2liSzM8euo98uQSU=
+github.com/sapcc/go-bits v0.0.0-20241218093949-097cd3204f32/go.mod h1:hhH7PgcPklzzJdx1zMhv3KiMEnoCZV+pnapPRcgI7wk=
 github.com/sapcc/gophercloud-sapcc/v2 v2.0.2 h1:SxLVKQqm759bFYl4iDVU2ELys6fcLpsUqMtxv0s2Z6M=
 github.com/sapcc/gophercloud-sapcc/v2 v2.0.2/go.mod h1:c+guCOMR8/sGXDus5VEVrjQ7pdmT7JEQaInJWysbBzQ=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
diff --git a/vendor/github.com/sapcc/go-api-declarations/liquid/availability_zone.go b/vendor/github.com/sapcc/go-api-declarations/liquid/availability_zone.go
index 662d3d2b..b876f024 100644
--- a/vendor/github.com/sapcc/go-api-declarations/liquid/availability_zone.go
+++ b/vendor/github.com/sapcc/go-api-declarations/liquid/availability_zone.go
@@ -19,6 +19,8 @@
 
 package liquid
 
+import "slices"
+
 // AvailabilityZone is the name of an availability zone.
 // Some special values are enumerated below.
 type AvailabilityZone string
@@ -35,3 +37,14 @@ const (
 func InAnyAZ[T any](value T) map[AvailabilityZone]*T {
 	return map[AvailabilityZone]*T{AvailabilityZoneAny: &value}
 }
+
+// NormalizeAZ takes an AZ name as reported by an OpenStack service and safely casts it into the AvailabilityZone type.
+// If the provided raw value is not equal to any of the AZs known to Limes (from the second list), AvailabilityZoneUnknown will be returned.
+func NormalizeAZ(rawAZ string, allAZs []AvailabilityZone) AvailabilityZone {
+	az := AvailabilityZone(rawAZ)
+	if slices.Contains(allAZs, az) {
+		return az
+	} else {
+		return AvailabilityZoneUnknown
+	}
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 56359b45..dd76c0ad 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -91,7 +91,7 @@ github.com/prometheus/common/model
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
 github.com/prometheus/procfs/internal/util
-# github.com/sapcc/go-api-declarations v1.13.1
+# github.com/sapcc/go-api-declarations v1.13.2
 ## explicit; go 1.21
 github.com/sapcc/go-api-declarations/bininfo
 github.com/sapcc/go-api-declarations/cadf
@@ -100,7 +100,7 @@ github.com/sapcc/go-api-declarations/limes
 github.com/sapcc/go-api-declarations/limes/rates
 github.com/sapcc/go-api-declarations/limes/resources
 github.com/sapcc/go-api-declarations/liquid
-# github.com/sapcc/go-bits v0.0.0-20241212142854-05ca4ed3590b
+# github.com/sapcc/go-bits v0.0.0-20241218093949-097cd3204f32
 ## explicit; go 1.23
 github.com/sapcc/go-bits/gophercloudext
 github.com/sapcc/go-bits/gopherpolicy