diff --git a/pyproject.toml b/pyproject.toml
index 162d1c3..769f062 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,7 @@ dev = [
   "pytest-httpx>=0.28.0",
   "pytest>=7.4.4",
   "ruff>=0.1.11",
+  "zstd>=1.5.6.1",
 ]
 
 [project.urls]