diff --git a/go.mod b/go.mod
index 3bb47d6..785098f 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/Masterminds/semver/v3 v3.4.0
 	github.com/onsi/ginkgo/v2 v2.27.2
 	github.com/onsi/gomega v1.38.2
-	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/prometheus/client_golang v1.23.2
 	github.com/stretchr/testify v1.11.1
 	gopkg.in/yaml.v3 v3.0.1
diff --git a/go.sum b/go.sum
index 33aa252..ec42e02 100644
--- a/go.sum
+++ b/go.sum
@@ -116,6 +116,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/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/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=
 github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=