diff --git a/master.cfg b/master.cfg
index 09fe13e..504f7a9 100644
--- a/master.cfg
+++ b/master.cfg
@@ -29,11 +29,11 @@ assert CLIENT_SECRET
 
 c["workers"] = [
     worker.Worker("worker-rust-1-65", "pass", properties={"rust_version": "1.65"}),
-    worker.Worker("worker-rust-1-71", "pass", properties={"rust_version": "1.71"}),
+    worker.Worker("worker-rust-1-72", "pass", properties={"rust_version": "1.72"}),
     worker.Worker("worker-rust-mdbook", "pass"),
 ]
 rust_workers_1_65 = ["worker-rust-1-65"]
-rust_workers_1_71 = ["worker-rust-1-71"]
+rust_workers_1_72 = ["worker-rust-1-72"]
 rust_workers_mdbook = ["worker-rust-mdbook"]
 
 if "BUILDBOT_MQ_URL" in os.environ:
@@ -232,15 +232,14 @@ def mdbook_test(name: str, workernames: list[str]):
 
 cargo_test("cargo test (1.65)", rust_workers_1_65)
 cargo_clippy("cargo clippy (1.65)", rust_workers_1_65)
-cargo_clippy("cargo clippy (1.71)", rust_workers_1_71)
-cargo_fmt("cargo fmt (1.71)", rust_workers_1_71)
-cargo_doc("cargo doc (1.71)", rust_workers_1_71, False, True)
+cargo_clippy("cargo clippy (1.72)", rust_workers_1_72)
+cargo_fmt("cargo fmt (1.72)", rust_workers_1_72)
+cargo_doc("cargo doc (1.72)", rust_workers_1_72, False, True)
 mdbook_test("mdbook test", rust_workers_mdbook)
 
 ####### SCHEDULERS
 
-# Configure the Schedulers, which decide how to react to incoming changes.  In this
-# case, just kick off a 'runtests' build
+# Configure the Schedulers, which decide how to react to incoming changes.
 
 c["schedulers"] = []
 c["schedulers"].append(
diff --git a/simple/docker-compose.yml b/simple/docker-compose.yml
index 0b3a42b..91c391a 100644
--- a/simple/docker-compose.yml
+++ b/simple/docker-compose.yml
@@ -57,15 +57,15 @@ services:
     networks:
       - buildbot-worker
 
-  rust-worker-1-71:
+  rust-worker-1-72:
     build:
       context: ../worker
       args:
-        - RUST_VERSION_ARG=1.71
+        - RUST_VERSION_ARG=1.72
     environment:
       BUILDMASTER: buildbot
       BUILDMASTER_PORT: 9989
-      WORKERNAME: worker-rust-1-71
+      WORKERNAME: worker-rust-1-72
       WORKERPASS: pass
       WORKER_ENVIRONMENT_BLACKLIST: DOCKER_BUILDBOT* BUILDBOT_ENV_* BUILDBOT_1* WORKER_ENVIRONMENT_BLACKLIST
     networks: