diff --git a/go.mod b/go.mod
index 1fae4f2..7fddb24 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/stretchr/testify v1.9.0
-	google.golang.org/protobuf v1.33.0
+	google.golang.org/protobuf v1.34.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 97c8c59..9b1b00c 100644
--- a/go.sum
+++ b/go.sum
@@ -6,8 +6,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.0 h1:Qo/qEd2RZPCf2nKuorzksSknv0d3ERwp1vFG38gSmH4=
+google.golang.org/protobuf v1.34.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/internal/gen/proto/go/org/foo/v1/foo.pb.go b/internal/gen/proto/go/org/foo/v1/foo.pb.go
index f2a54ab..99d1a4c 100644
--- a/internal/gen/proto/go/org/foo/v1/foo.pb.go
+++ b/internal/gen/proto/go/org/foo/v1/foo.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.34.0
 // 	protoc        (unknown)
 // source: org/foo/v1/foo.proto
 
diff --git a/make/go/dep_protoc_gen_go.mk b/make/go/dep_protoc_gen_go.mk
index 273a365..0455cc6 100644
--- a/make/go/dep_protoc_gen_go.mk
+++ b/make/go/dep_protoc_gen_go.mk
@@ -7,8 +7,8 @@ $(call _assert_var,CACHE_VERSIONS)
 $(call _assert_var,CACHE_BIN)
 
 # Settable
-# https://github.com/protocolbuffers/protobuf-go/commits/master 20240305 checked 20240305
-PROTOC_GEN_GO_VERSION ?= v1.33.0
+# https://github.com/protocolbuffers/protobuf-go/releases 20240430 checked 20240430
+PROTOC_GEN_GO_VERSION ?= v1.34.0
 
 GO_GET_PKGS := $(GO_GET_PKGS) \
 	google.golang.org/protobuf/proto@$(PROTOC_GEN_GO_VERSION)