diff --git a/master.cfg b/master.cfg
index b7151a9..0112484 100644
--- a/master.cfg
+++ b/master.cfg
@@ -28,8 +28,10 @@ assert CLIENT_SECRET
 # worker name and password must be configured on the worker.
 
 c["workers"] = [
-    worker.Worker("worker-rust", "pass", properties={"rust_version": "1.65"})
+    worker.Worker("worker-rust-1-65", "pass", properties={"rust_version": "1.65"}),
+    worker.Worker("worker-rust-1-71", "pass", properties={"rust_version": "1.71"}),
 ]
+rust_workers = ["worker-rust-1-65", "worker-rust-1-71"]
 
 if "BUILDBOT_MQ_URL" in os.environ:
     c["mq"] = {
@@ -98,7 +100,7 @@ factory.addStep(
     )
 )
 c["builders"].append(
-    util.BuilderConfig(name="runtests", workernames=["worker-rust"], factory=factory)
+    util.BuilderConfig(name="runtests", workernames=rust_workers, factory=factory)
 )
 builderNames.append("runtests")
 
@@ -121,7 +123,7 @@ factory.addStep(
     )
 )
 c["builders"].append(
-    util.BuilderConfig(name="clippy", workernames=["worker-rust"], factory=factory)
+    util.BuilderConfig(name="clippy", workernames=rust_workers, factory=factory)
 )
 builderNames.append("clippy")
 
@@ -151,7 +153,7 @@ factory.addStep(
     )
 )
 c["builders"].append(
-    util.BuilderConfig(name="rustdoc", workernames=["worker-rust"], factory=factory)
+    util.BuilderConfig(name="rustdoc", workernames=rust_workers, factory=factory)
 )
 builderNames.append("rustdoc")
 
@@ -171,7 +173,7 @@ factory.addStep(
     )
 )
 c["builders"].append(
-    util.BuilderConfig(name="fmt-check", workernames=["worker-rust"], factory=factory)
+    util.BuilderConfig(name="fmt-check", workernames=rust_workers, factory=factory)
 )
 builderNames.append("fmt-check")
 
diff --git a/simple/docker-compose.yml b/simple/docker-compose.yml
index 849abf7..6c24c40 100644
--- a/simple/docker-compose.yml
+++ b/simple/docker-compose.yml
@@ -43,13 +43,28 @@ services:
     networks:
       - buildbot-db
 
-  worker:
+  rust-worker-1-65:
     image: "buildbot-worker-parrrate-rust"
     build: ../worker
     environment:
       BUILDMASTER: buildbot
       BUILDMASTER_PORT: 9989
-      WORKERNAME: worker-rust
+      WORKERNAME: worker-rust-1-65
+      WORKERPASS: pass
+      WORKER_ENVIRONMENT_BLACKLIST: DOCKER_BUILDBOT* BUILDBOT_ENV_* BUILDBOT_1* WORKER_ENVIRONMENT_BLACKLIST
+    networks:
+      - buildbot-worker
+
+  rust-worker-1-71:
+    image: "buildbot-worker-parrrate-rust"
+    build:
+      context: ../worker
+      args:
+        - RUST_VERSION=1.71
+    environment:
+      BUILDMASTER: buildbot
+      BUILDMASTER_PORT: 9989
+      WORKERNAME: worker-rust-1-71
       WORKERPASS: pass
       WORKER_ENVIRONMENT_BLACKLIST: DOCKER_BUILDBOT* BUILDBOT_ENV_* BUILDBOT_1* WORKER_ENVIRONMENT_BLACKLIST
     networks:
diff --git a/worker/Dockerfile b/worker/Dockerfile
index f9be6bc..c8f5037 100644
--- a/worker/Dockerfile
+++ b/worker/Dockerfile
@@ -1,4 +1,5 @@
-FROM rust:1.65
+ARG RUST_VERSION=1.65
+FROM rust:${RUST_VERSION}
 COPY worker-setup.sh worker-setup.sh
 RUN bash worker-setup.sh
 USER buildbot