diff --git a/templates/compose.telemetry.yml b/templates/compose.telemetry.yml
index 3888007..6efb86d 100644
--- a/templates/compose.telemetry.yml
+++ b/templates/compose.telemetry.yml
@@ -38,7 +38,7 @@ services:
     logging: *default-logging
 
   alloy:
-    image: grafana/alloy:v1.20.1@sha256:2aa2099af76c0098d4af7a4d6e48f86cb66dc1a000222ad927a1c67c6542d13f
+    image: grafana/alloy:v1.21.2@sha256:89a5a320168387336b9ac3c850609c3ba7757eadd4ae5f1d819deb35e9854b18
     restart: unless-stopped
     # Root to read root-only files under the host mounts below. The Docker API is
     # behind the proxy, so root here does not imply control of the daemon.