diff --git a/requirements.txt b/requirements.txt
index 1552abb..ac3e5d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,5 @@ google-cloud-core==2.3.2
 pandas==1.5.2
 db-dtypes==1.0.4
 pandas_gbq==0.18.1
-pydata-google-auth==1.4.0
\ No newline at end of file
+pydata-google-auth==1.4.0
+protobuf==6.33.5
\ No newline at end of file