diff --git a/core/go.mod b/core/go.mod
index c5ab0cd92..6b15aab34 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -6,7 +6,7 @@ require (
 	buf.build/gen/go/open-feature/flagd/bufbuild/connect-go v1.5.2-20230222100723-491ee098dd92.1
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.3.0-20230317150644-afd1cc2ef580.1
 	buf.build/gen/go/open-feature/flagd/protocolbuffers/go v1.29.1-20230317150644-afd1cc2ef580.1
-	github.com/bufbuild/connect-go v1.8.0
+	github.com/bufbuild/connect-go v1.9.0
 	github.com/bufbuild/connect-opentelemetry-go v0.3.0
 	github.com/diegoholiveira/jsonlogic/v3 v3.2.7
 	github.com/fsnotify/fsnotify v1.6.0
diff --git a/core/go.sum b/core/go.sum
index 5e6db9f68..faf80e2a3 100644
--- a/core/go.sum
+++ b/core/go.sum
@@ -409,6 +409,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bufbuild/connect-go v1.8.0 h1:srluNkFkZBfSfg9Qb6DrO+5nMaxix//h2ctrHZhMGKc=
 github.com/bufbuild/connect-go v1.8.0/go.mod h1:GmMJYR6orFqD0Y6ZgX8pwQ8j9baizDrIQMm1/a6LnHk=
+github.com/bufbuild/connect-go v1.9.0 h1:JIgAeNuFpo+SUPfU19Yt5TcWlznsN5Bv10/gI/6Pjoc=
+github.com/bufbuild/connect-go v1.9.0/go.mod h1:CAIePUgkDR5pAFaylSMtNK45ANQjp9JvpluG20rhpV8=
 github.com/bufbuild/connect-opentelemetry-go v0.3.0 h1:AuZi3asTDKmjGtd2aqpyP4p5QvBFG/YEaHopViLatnk=
 github.com/bufbuild/connect-opentelemetry-go v0.3.0/go.mod h1:r1ppyTtu1EWeRodk4Q/JbyQhIWtO7eR3GoRDzjeEcNU=
 github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=