diff --git a/core/go.mod b/core/go.mod
index 6caec1f86..61658e4b8 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -36,7 +36,7 @@ require (
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/mod v0.21.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.66.1
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/apimachinery v0.29.3
 	k8s.io/client-go v0.29.3
diff --git a/core/go.sum b/core/go.sum
index 91a5cc6ba..e8598e7d3 100644
--- a/core/go.sum
+++ b/core/go.sum
@@ -2543,6 +2543,8 @@ 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 v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
+google.golang.org/grpc v1.66.1/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 b78bf1d5a..c5e7a7f9b 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 v0.29.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.66.1
 )
 
 require (
diff --git a/flagd-proxy/go.sum b/flagd-proxy/go.sum
index 203f250b7..15645d64e 100644
--- a/flagd-proxy/go.sum
+++ b/flagd-proxy/go.sum
@@ -2524,6 +2524,8 @@ 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 v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
+google.golang.org/grpc v1.66.1/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 3827633a0..3ce1aea9e 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 v0.29.0
 	golang.org/x/sync v0.8.0
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.66.1
 	google.golang.org/protobuf v1.34.2
 )
 
diff --git a/flagd/go.sum b/flagd/go.sum
index 6d5c141e3..8c8b554d9 100644
--- a/flagd/go.sum
+++ b/flagd/go.sum
@@ -2600,6 +2600,8 @@ 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 v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
+google.golang.org/grpc v1.66.1/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=