diff --git a/packages/google-api-core/pyproject.toml b/packages/google-api-core/pyproject.toml
index 19642422ac21..933de50c443d 100644
--- a/packages/google-api-core/pyproject.toml
+++ b/packages/google-api-core/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
   "proto-plus >= 1.22.3, < 2.0.0",
   "proto-plus >= 1.25.0, < 2.0.0; python_version >= '3.13'",
   "google-auth >= 2.14.1, < 3.0.0",
-  "requests >= 2.25.0, < 3.0.0",
+  "requests >= 2.33.0, < 3.0.0",
 ]
 dynamic = ["version"]
 
diff --git a/packages/google-api-core/testing/constraints-3.10.txt b/packages/google-api-core/testing/constraints-3.10.txt
index 444eb4f13dcf..07383c39e70d 100644
--- a/packages/google-api-core/testing/constraints-3.10.txt
+++ b/packages/google-api-core/testing/constraints-3.10.txt
@@ -8,7 +8,7 @@
 googleapis-common-protos==1.63.2
 protobuf==4.25.8
 google-auth==2.14.1
-requests==2.25.0
+requests==2.33.0
 grpcio==1.41.0
 grpcio-status==1.41.0
 proto-plus==1.22.3
diff --git a/packages/google-api-core/testing/constraints-async-rest-3.10.txt b/packages/google-api-core/testing/constraints-async-rest-3.10.txt
index cfa4ed99ceb9..d88e503ad296 100644
--- a/packages/google-api-core/testing/constraints-async-rest-3.10.txt
+++ b/packages/google-api-core/testing/constraints-async-rest-3.10.txt
@@ -8,7 +8,7 @@
 googleapis-common-protos==1.63.2
 protobuf==4.25.8
 google-auth==2.14.1
-requests==2.25.0
+requests==2.33.0
 grpcio==1.41.0
 grpcio-status==1.41.0
 proto-plus==1.22.3