diff --git a/pyproject.toml b/pyproject.toml
index 9983ef777..044beb8e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,6 @@ authors = [
 dependencies = [
     "typing-extensions>=4.5.0",
     "numpy>=1.20.0",
-    "diskcache>=5.6.1",
     "jinja2>=2.11.3",
 ]
 requires-python = ">=3.8"