diff --git a/pyproject.toml b/pyproject.toml
index dc15848..6948ea2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,13 +13,12 @@
 pydantic = { version = "^1.10.4", optional = true }
 schematics = { version = "^2.1.1", optional = true }
 pykube-ng = { version = "^22.7.0", optional = true }
-structlog = { version = "^22.1.0", optional = true }
-taskflow = { version = "^5.0.0", optional = true }
 tomli = { version = "^2.0.1", optional = true }
 jsonnet = { version = "^0.18.0", optional = true }
 kopf = { version = "^1.36.0", optional = true, extras = ["uvloop"] }
 openstacksdk = "<0.99.0"
 docker-image-py = "^0.1.12"
+"oslo.serialization" = "^5.0.0"
 
 [tool.poetry.extras]
 operator = [