diff --git a/pyproject.toml b/pyproject.toml
index 20bc5ba..543e73c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,6 @@ dependencies = [
     "pymc_core[hardware] @ git+https://github.com/rightup/pyMC_core.git@dev",
     "pyyaml>=6.0.0",
     "cherrypy>=18.0.0",
-    "rrdtool>=0.1.16",
     "paho-mqtt>=1.6.0",
 ]