diff --git a/go.mod b/go.mod
index 33b5635..bb3657e 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/onsi/gomega v1.40.0
 	github.com/pelletier/go-toml/v2 v2.3.1
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.90.1
+	github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.91.0
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/stackitcloud/stackit-sdk-go/core v0.26.0
diff --git a/go.sum b/go.sum
index 8acd669..d20f219 100644
--- a/go.sum
+++ b/go.sum
@@ -425,8 +425,8 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.90.1 h1:URbjn501/IBFTzPtGXrYDXHi+ZcbP2W60o6JeTrY3vQ=
-github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.90.1/go.mod h1:Gfzi4500QCMnptFIQc8YdDi8YZ4QA0vs22LROWZ3+YU=
+github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.91.0 h1:m2SZ2z5edgk0nXx7W6VHLfIsKZwgKbr+E5c2RNYyJB8=
+github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.91.0/go.mod h1:Gfzi4500QCMnptFIQc8YdDi8YZ4QA0vs22LROWZ3+YU=
 github.com/prometheus/alertmanager v0.29.0 h1:/ET4NmAGx2Dv9kStrXIBqBgHyiSgIk4OetY+hoZRfgc=
 github.com/prometheus/alertmanager v0.29.0/go.mod h1:SjI2vhrfdWg10UaRUxTz27rgdJVG3HXrhI5WFjCdBgs=
 github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=