diff --git a/dev-requirements.txt b/dev-requirements.txt
index 0b7caf8..ddae751 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,5 @@
 pytest~=7.2.0
 testfixtures~=7.0.0
 pandas~=1.5.1
-pyarrow~=9.0.0
\ No newline at end of file
+pyarrow~=9.0.0
+db-dtypes~=1.0.4
\ No newline at end of file