diff --git a/Dockerfile b/Dockerfile
index eb0f0cdf..a9041dd4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.21.2@sha256:e9ebfe932adeff65af5338236f0b0604c86b143c1bff3e1d0551d8f6196ab5c5 AS builder
+FROM golang:1.21.3@sha256:02d7116222536a5cf0fcf631f90b507758b669648e0f20186d2dc94a9b419a9b AS builder
 ENV APP_ROOT=/opt/app-root
 ENV GOPATH=$APP_ROOT
 
@@ -29,7 +29,7 @@ RUN go build -ldflags "${SERVER_LDFLAGS}" ./cmd/timestamp-server
 RUN CGO_ENABLED=0 go build -gcflags "all=-N -l" -ldflags "${SERVER_LDFLAGS}" -o timestamp-server_debug ./cmd/timestamp-server
 
 # Multi-Stage production build
-FROM golang:1.21.2@sha256:e9ebfe932adeff65af5338236f0b0604c86b143c1bff3e1d0551d8f6196ab5c5 as deploy
+FROM golang:1.21.3@sha256:02d7116222536a5cf0fcf631f90b507758b669648e0f20186d2dc94a9b419a9b as deploy
 
 # Retrieve the binary from the previous stage
 COPY --from=builder /opt/app-root/src/timestamp-server /usr/local/bin/timestamp-server