diff --git a/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go b/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
index 6e2a4e2d84f5..a091b64a03e1 100644
--- a/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
+++ b/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
@@ -19,7 +19,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/lb/v1/load_balancer.proto
 
diff --git a/channelz/grpc_channelz_v1/channelz_grpc.pb.go b/channelz/grpc_channelz_v1/channelz_grpc.pb.go
index a4dd0ff0b161..7a626fd53929 100644
--- a/channelz/grpc_channelz_v1/channelz_grpc.pb.go
+++ b/channelz/grpc_channelz_v1/channelz_grpc.pb.go
@@ -21,7 +21,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/channelz/v1/channelz.proto
 
diff --git a/cmd/protoc-gen-go-grpc/main.go b/cmd/protoc-gen-go-grpc/main.go
index 220a2a28a19f..183ba69742e8 100644
--- a/cmd/protoc-gen-go-grpc/main.go
+++ b/cmd/protoc-gen-go-grpc/main.go
@@ -42,7 +42,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "1.5.0"
+const version = "1.5.1"
 
 var requireUnimplemented *bool
 var useGenericStreams *bool
diff --git a/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go b/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
index 3c0c5f7096f7..1ef023cb5ee2 100644
--- a/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
+++ b/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/gcp/handshaker.proto
 
diff --git a/examples/features/proto/echo/echo_grpc.pb.go b/examples/features/proto/echo/echo_grpc.pb.go
index cd45c16aab4a..8f0ecf7ceab9 100644
--- a/examples/features/proto/echo/echo_grpc.pb.go
+++ b/examples/features/proto/echo/echo_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: examples/features/proto/echo/echo.proto
 
diff --git a/examples/helloworld/helloworld/helloworld_grpc.pb.go b/examples/helloworld/helloworld/helloworld_grpc.pb.go
index 6967792c86f3..f55cc8752a95 100644
--- a/examples/helloworld/helloworld/helloworld_grpc.pb.go
+++ b/examples/helloworld/helloworld/helloworld_grpc.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: examples/helloworld/helloworld/helloworld.proto
 
diff --git a/examples/route_guide/routeguide/route_guide_grpc.pb.go b/examples/route_guide/routeguide/route_guide_grpc.pb.go
index e072fbf37ce2..adfac1965f6f 100644
--- a/examples/route_guide/routeguide/route_guide_grpc.pb.go
+++ b/examples/route_guide/routeguide/route_guide_grpc.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: examples/route_guide/routeguide/route_guide.proto
 
diff --git a/health/grpc_health_v1/health_grpc.pb.go b/health/grpc_health_v1/health_grpc.pb.go
index 176d4fcac152..5ac30c41c53a 100644
--- a/health/grpc_health_v1/health_grpc.pb.go
+++ b/health/grpc_health_v1/health_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/health/v1/health.proto
 
diff --git a/internal/proto/grpc_lookup_v1/rls_grpc.pb.go b/internal/proto/grpc_lookup_v1/rls_grpc.pb.go
index c403ca421f59..26b28a6fbf49 100644
--- a/internal/proto/grpc_lookup_v1/rls_grpc.pb.go
+++ b/internal/proto/grpc_lookup_v1/rls_grpc.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/lookup/v1/rls.proto
 
diff --git a/interop/grpc_testing/benchmark_service_grpc.pb.go b/interop/grpc_testing/benchmark_service_grpc.pb.go
index 798f7bb96b6f..4c23a64140f0 100644
--- a/interop/grpc_testing/benchmark_service_grpc.pb.go
+++ b/interop/grpc_testing/benchmark_service_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/testing/benchmark_service.proto
 
diff --git a/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go b/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go
index 5e43ef7fcd94..1c8a68fe5b17 100644
--- a/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go
+++ b/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/testing/report_qps_scenario_service.proto
 
diff --git a/interop/grpc_testing/test_grpc.pb.go b/interop/grpc_testing/test_grpc.pb.go
index 29e2d2b58950..44690401bf65 100644
--- a/interop/grpc_testing/test_grpc.pb.go
+++ b/interop/grpc_testing/test_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/testing/test.proto
 
diff --git a/interop/grpc_testing/worker_service_grpc.pb.go b/interop/grpc_testing/worker_service_grpc.pb.go
index a85600fa79c4..c247f6b045c3 100644
--- a/interop/grpc_testing/worker_service_grpc.pb.go
+++ b/interop/grpc_testing/worker_service_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/testing/worker_service.proto
 
diff --git a/interop/stress/grpc_testing/metrics_grpc.pb.go b/interop/stress/grpc_testing/metrics_grpc.pb.go
index d98ba8eee1f6..de0d65d8c8af 100644
--- a/interop/stress/grpc_testing/metrics_grpc.pb.go
+++ b/interop/stress/grpc_testing/metrics_grpc.pb.go
@@ -21,7 +21,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: interop/stress/grpc_testing/metrics.proto
 
diff --git a/profiling/proto/service_grpc.pb.go b/profiling/proto/service_grpc.pb.go
index e19797fa7f78..d47cd363a902 100644
--- a/profiling/proto/service_grpc.pb.go
+++ b/profiling/proto/service_grpc.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: profiling/proto/service.proto
 
diff --git a/reflection/grpc_reflection_v1/reflection_grpc.pb.go b/reflection/grpc_reflection_v1/reflection_grpc.pb.go
index 3e5a7a868d8b..95db9c5a4869 100644
--- a/reflection/grpc_reflection_v1/reflection_grpc.pb.go
+++ b/reflection/grpc_reflection_v1/reflection_grpc.pb.go
@@ -21,7 +21,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: grpc/reflection/v1/reflection.proto
 
diff --git a/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go b/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
index 8565996c12c1..a85170bf58de 100644
--- a/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
+++ b/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
@@ -18,7 +18,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // grpc/reflection/v1alpha/reflection.proto is a deprecated file.
 
diff --git a/reflection/grpc_testing/test_grpc.pb.go b/reflection/grpc_testing/test_grpc.pb.go
index 612add885f8f..3d317fd852f4 100644
--- a/reflection/grpc_testing/test_grpc.pb.go
+++ b/reflection/grpc_testing/test_grpc.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.0
+// - protoc-gen-go-grpc v1.5.1
 // - protoc             v5.27.1
 // source: reflection/grpc_testing/test.proto