diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 51aeeb3..e1d560f 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -10,7 +10,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.21.6'
+        go-version: '1.21.9'
       id: go
 
     - name: Check out the code
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 118547a..1b38c07 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.21.6'
+        go-version: '1.21.9'
       id: go
 
     - name: Check out code into the Go module directory
diff --git a/Dockerfile b/Dockerfile
index 0ae4143..a76b31d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM --platform=$BUILDPLATFORM golang:1.21.6-bookworm AS build
+FROM --platform=$BUILDPLATFORM golang:1.21.9-bookworm AS build
 
 ARG TARGETOS
 ARG TARGETARCH
diff --git a/go.mod b/go.mod
index a1ed354..a36ad84 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/vmware-tanzu/velero-plugin-for-gcp
 
 go 1.21
 
-toolchain go1.21.6
+toolchain go1.21.9
 
 require (
 	cloud.google.com/go/storage v1.33.0
@@ -83,7 +83,7 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230920204549-e6e6cdab5c13 // indirect
 	google.golang.org/grpc v1.58.3 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
diff --git a/go.sum b/go.sum
index fdae87d..b0428b4 100644
--- a/go.sum
+++ b/go.sum
@@ -1061,8 +1061,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=