diff --git a/plugins/connectrpc/go/v1.18.0/.dockerignore b/plugins/connectrpc/go/v1.18.0/.dockerignore
new file mode 100644
index 00000000..5d0f124f
--- /dev/null
+++ b/plugins/connectrpc/go/v1.18.0/.dockerignore
@@ -0,0 +1,2 @@
+*
+!Dockerfile
diff --git a/plugins/connectrpc/go/v1.18.0/Dockerfile b/plugins/connectrpc/go/v1.18.0/Dockerfile
new file mode 100644
index 00000000..2e9bd90e
--- /dev/null
+++ b/plugins/connectrpc/go/v1.18.0/Dockerfile
@@ -0,0 +1,15 @@
+# syntax=docker/dockerfile:1.12
+FROM --platform=$BUILDPLATFORM golang:1.23.4-bookworm AS build
+
+ARG TARGETOS TARGETARCH
+ENV CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH
+
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go install -ldflags="-s -w" -trimpath connectrpc.com/connect/cmd/protoc-gen-connect-go@v1.18.0 \
+ && mv /go/bin/${GOOS}_${GOARCH}/protoc-gen-connect-go /go/bin/protoc-gen-connect-go || true
+
+FROM scratch
+COPY --from=build --link --chown=root:root /etc/passwd /etc/passwd
+COPY --from=build --link /go/bin/protoc-gen-connect-go /
+USER nobody
+ENTRYPOINT [ "/protoc-gen-connect-go" ]
diff --git a/plugins/connectrpc/go/v1.18.0/buf.plugin.yaml b/plugins/connectrpc/go/v1.18.0/buf.plugin.yaml
new file mode 100644
index 00000000..48969ce4
--- /dev/null
+++ b/plugins/connectrpc/go/v1.18.0/buf.plugin.yaml
@@ -0,0 +1,20 @@
+version: v1
+name: buf.build/connectrpc/go
+plugin_version: v1.18.0
+source_url: https://github.com/connectrpc/connect-go
+integration_guide_url: https://connectrpc.com/docs/go/getting-started
+description: Generates client and server stubs for connectrpc.com/connect. Compatible with the gRPC, gRPC-Web, and Connect RPC protocols.
+deps:
+  - plugin: buf.build/protocolbuffers/go:v1.36.2
+output_languages:
+  - go
+registry:
+  go:
+    min_version: "1.21"
+    deps:
+      - module: connectrpc.com/connect
+        version: v1.18.0
+  opts:
+    - paths=source_relative
+spdx_license_id: Apache-2.0
+license_url: https://github.com/connectrpc/connect-go/blob/v1.18.0/LICENSE
diff --git a/tests/testdata/buf.build/connectrpc/go/v1.18.0/eliza/plugin.sum b/tests/testdata/buf.build/connectrpc/go/v1.18.0/eliza/plugin.sum
new file mode 100644
index 00000000..ef786770
--- /dev/null
+++ b/tests/testdata/buf.build/connectrpc/go/v1.18.0/eliza/plugin.sum
@@ -0,0 +1 @@
+h1:u23hequoE+Iv/KIkcXvKs9udlNUQAhml/9mKE4M9vUc=
diff --git a/tests/testdata/buf.build/connectrpc/go/v1.18.0/petapis/plugin.sum b/tests/testdata/buf.build/connectrpc/go/v1.18.0/petapis/plugin.sum
new file mode 100644
index 00000000..4aba81da
--- /dev/null
+++ b/tests/testdata/buf.build/connectrpc/go/v1.18.0/petapis/plugin.sum
@@ -0,0 +1 @@
+h1:AgnlcVVjlOtjzOJY9m9yC5oH80DRlmvsmpwUTJG5RWM=