diff --git a/requirements.txt b/requirements.txt
index 109e8c7df3..212d0fef9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,6 @@ opentelemetry-sdk>=1.25.0
 opentelemetry-exporter-otlp-proto-grpc>=1.25.0
 opentelemetry-exporter-otlp-proto-http>=1.25.0
 confluent-kafka
-boto3
 google-cloud-pubsub
 # For openstack driver
 openstacksdk>=0.103.0,!=2.0.0
@@ -49,7 +48,10 @@ rackspaceauth
 # For openshift driver
 openshift
 # For AWS driver
-boto3>=1.20.0
+# Max versions temporarily added due to "Too many open files" errors in tests.
+boto3>=1.20.0,<1.36.11
+botocore<1.36.11
+moto<5.0.28
 # For gcloud driver
 google-api-python-client
 # For ibmvpc driver