diff --git a/functions/v2/datastore/hello-datastore/requirements.txt b/functions/v2/datastore/hello-datastore/requirements.txt
index 95b25fd75f5..8555b6d0040 100644
--- a/functions/v2/datastore/hello-datastore/requirements.txt
+++ b/functions/v2/datastore/hello-datastore/requirements.txt
@@ -1,4 +1,4 @@
-protobuf==6.33.6
+protobuf==7.35.1
 google-api-core==2.31.0
 functions-framework==3.10.2
 google-events==0.14.0
diff --git a/functions/v2/firebase/upper-firestore/requirements.txt b/functions/v2/firebase/upper-firestore/requirements.txt
index 6058a97f7e1..85bc029441d 100644
--- a/functions/v2/firebase/upper-firestore/requirements.txt
+++ b/functions/v2/firebase/upper-firestore/requirements.txt
@@ -1,4 +1,4 @@
-protobuf==6.33.6
+protobuf==7.35.1
 cloudevents==1.12.0
 functions-framework==3.10.2
 google-events==0.14.0
diff --git a/gemma2/requirements.txt b/gemma2/requirements.txt
index 67a5814ea6b..60c9eb9e9d4 100644
--- a/gemma2/requirements.txt
+++ b/gemma2/requirements.txt
@@ -1,2 +1,2 @@
 google-cloud-aiplatform==1.158.0
-protobuf==6.33.6
+protobuf==7.35.1