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 50cc9da4a..cb4b3c203 100644
--- a/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
+++ b/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 ee425c219..d8803d011 100644
--- a/channelz/grpc_channelz_v1/channelz_grpc.pb.go
+++ b/channelz/grpc_channelz_v1/channelz_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 7f104da7d..58cde2eb6 100644
--- a/cmd/protoc-gen-go-grpc/main.go
+++ b/cmd/protoc-gen-go-grpc/main.go
@@ -38,7 +38,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "1.1.0"
+const version = "1.2.0"
 
 var requireUnimplemented *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 a02c45828..fd55176b9 100644
--- a/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
+++ b/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 e1d24b1e8..cf1ffe708 100644
--- a/examples/features/proto/echo/echo_grpc.pb.go
+++ b/examples/features/proto/echo/echo_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 ae27dfa3c..b1423484d 100644
--- a/examples/helloworld/helloworld/helloworld_grpc.pb.go
+++ b/examples/helloworld/helloworld/helloworld_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 efa7c28ce..32f7910a3 100644
--- a/examples/route_guide/routeguide/route_guide_grpc.pb.go
+++ b/examples/route_guide/routeguide/route_guide_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 bdc3ae284..69f525d1b 100644
--- a/health/grpc_health_v1/health_grpc.pb.go
+++ b/health/grpc_health_v1/health_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 39d79e133..3afbf8930 100644
--- a/internal/proto/grpc_lookup_v1/rls_grpc.pb.go
+++ b/internal/proto/grpc_lookup_v1/rls_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 f4e4436e9..0e6f21e90 100644
--- a/interop/grpc_testing/benchmark_service_grpc.pb.go
+++ b/interop/grpc_testing/benchmark_service_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 4bf3fce68..f327326b0 100644
--- a/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go
+++ b/interop/grpc_testing/report_qps_scenario_service_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 137a1e98c..9a39fdd95 100644
--- a/interop/grpc_testing/test_grpc.pb.go
+++ b/interop/grpc_testing/test_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // 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 a97366df0..0c4e10a40 100644
--- a/interop/grpc_testing/worker_service_grpc.pb.go
+++ b/interop/grpc_testing/worker_service_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: grpc/testing/worker_service.proto
 
diff --git a/profiling/proto/service_grpc.pb.go b/profiling/proto/service_grpc.pb.go
index a0656149b..218c6123c 100644
--- a/profiling/proto/service_grpc.pb.go
+++ b/profiling/proto/service_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: profiling/proto/service.proto
 
diff --git a/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go b/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
index 7d05c14eb..4e6a6b1a8 100644
--- a/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
+++ b/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: reflection/grpc_reflection_v1alpha/reflection.proto
 
diff --git a/reflection/grpc_testing/test_grpc.pb.go b/reflection/grpc_testing/test_grpc.pb.go
index 235b5d824..c9a461280 100644
--- a/reflection/grpc_testing/test_grpc.pb.go
+++ b/reflection/grpc_testing/test_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: reflection/grpc_testing/test.proto
 
diff --git a/stress/grpc_testing/metrics_grpc.pb.go b/stress/grpc_testing/metrics_grpc.pb.go
index 0730fad49..29fa08888 100644
--- a/stress/grpc_testing/metrics_grpc.pb.go
+++ b/stress/grpc_testing/metrics_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: stress/grpc_testing/metrics.proto
 
diff --git a/test/grpc_testing/test_grpc.pb.go b/test/grpc_testing/test_grpc.pb.go
index 76b393562..b328eaa3b 100644
--- a/test/grpc_testing/test_grpc.pb.go
+++ b/test/grpc_testing/test_grpc.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.1.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.14.0
 // source: test/grpc_testing/test.proto