diff --git a/docker-compose.yml b/docker-compose.yml
index 708b473..817c3b8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -165,7 +165,7 @@ services:
     restart: always
 
   telegraf:
-    image: telegraf:1.33.2@sha256:5afb934bd448b8cd49d495fffac5fe8227267123a9af05f9f9ec6044a1799bd1
+    image: telegraf:1.40.0@sha256:c25bff1bb4bf09a40cfc727811265f5446d23a3e6d5102b38874b0559d6a0620
     user: telegraf:${HOST_DOCKER_GROUP_ID} # host docker group id, so that telegraf has access to the docker socket
     command: | # only use config directory, but therefore we need to give a empty config file
       --config-directory /etc/telegraf/telegraf.d/