diff --git a/core/go.mod b/core/go.mod
index 874f9e3fb..1521fa13c 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -11,6 +11,7 @@ require (
 	connectrpc.com/otelconnect v0.7.1
 	github.com/diegoholiveira/jsonlogic/v3 v3.5.3
 	github.com/fsnotify/fsnotify v1.7.0
+	github.com/google/go-cmp v0.6.0
 	github.com/open-feature/flagd-schemas v0.2.9-0.20240708163558-2aa89b314322
 	github.com/open-feature/open-feature-operator/apis v0.2.44
 	github.com/prometheus/client_golang v1.19.1
@@ -35,7 +36,7 @@ require (
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/mod v0.20.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.65.0
+	google.golang.org/grpc v1.66.0
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/apimachinery v0.29.3
 	k8s.io/client-go v0.29.3
@@ -67,7 +68,6 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
 	github.com/google/uuid v1.6.0 // indirect
diff --git a/core/go.sum b/core/go.sum
index f64432f4a..500c522fd 100644
--- a/core/go.sum
+++ b/core/go.sum
@@ -2499,6 +2499,8 @@ google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
 google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
 google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
 google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
+google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index a21d00784..2dce50282 100644
--- a/flagd-proxy/go.mod
+++ b/flagd-proxy/go.mod
@@ -19,7 +19,7 @@ require (
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.28.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.65.0
+	google.golang.org/grpc v1.66.0
 )
 
 require (
diff --git a/flagd-proxy/go.sum b/flagd-proxy/go.sum
index 072399c7f..84bd9400a 100644
--- a/flagd-proxy/go.sum
+++ b/flagd-proxy/go.sum
@@ -2448,6 +2448,8 @@ google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
 google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
 google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
 google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
+google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
diff --git a/flagd/go.mod b/flagd/go.mod
index 9bfef8990..8cb859c88 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -27,7 +27,7 @@ require (
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.28.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.65.0
+	google.golang.org/grpc v1.66.0
 	google.golang.org/protobuf v1.34.2
 )
 
diff --git a/flagd/go.sum b/flagd/go.sum
index ee5571282..514e1fc6f 100644
--- a/flagd/go.sum
+++ b/flagd/go.sum
@@ -2518,6 +2518,8 @@ google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
 google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
 google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
 google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
+google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
+google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=