diff --git a/pyproject.toml b/pyproject.toml
index 90a1cb2..15f914e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,8 +12,7 @@ dependencies = [
 [project.optional-dependencies]
 test = ["pytest~=8.0", "numpy~=1.21"]
 typecheck = ["mypy~=1.9"]
-training = ["gluonts[pro]", "numpy", "tensorboard", "typer", "typer-config"]
-kernel-synth = ["gluonts[pro]", "joblib", "scikit-learn"]
+training = ["gluonts[pro]", "numpy", "tensorboard", "typer", "typer-config", "joblib", "scikit-learn"]
 
 [tool.mypy]
 ignore_missing_imports = true