diff --git a/script/setup/install-dev-tools b/script/setup/install-dev-tools
index c615b1c3f..308b1e2a0 100755
--- a/script/setup/install-dev-tools
+++ b/script/setup/install-dev-tools
@@ -25,13 +25,6 @@ go install github.com/containerd/protobuild@v0.2.0
 go install github.com/containerd/protobuild/cmd/go-fix-acronym@v0.2.0
 go install github.com/cpuguy83/go-md2man/v2@v2.0.1
 go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.42.0
-go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26
-go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1
+go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
+go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2
 go install github.com/containerd/ttrpc/cmd/protoc-gen-go-ttrpc@944ef4a40df3446714a823207972b7d9858ffac5
-
-# the following packages need to exist in $GOPATH so we can't use
-# go modules-aware mode of `go get` for these includes used during
-# proto building
-cd "$GOPATH"
-GO111MODULE=off go get -d github.com/gogo/googleapis || true
-GO111MODULE=off go get -d github.com/gogo/protobuf || true
diff --git a/script/setup/install-protobuf b/script/setup/install-protobuf
index 8c603a79a..81e7a4a63 100755
--- a/script/setup/install-protobuf
+++ b/script/setup/install-protobuf
@@ -20,7 +20,7 @@
 #
 set -eu -o pipefail
 
-PROTOBUF_VERSION=3.11.4
+PROTOBUF_VERSION=3.20.1
 GOARCH=$(go env GOARCH)
 GOOS=$(go env GOOS)
 PROTOBUF_DIR=$(mktemp -d)