diff --git a/.circleci/config.yml b/.circleci/config.yml
index 04c22ea8..e7179b56 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -232,6 +232,15 @@ jobs:
 workflows:
   workflow:
     jobs:
+      - test:
+          name: python3_12
+          image: python:3.12.4
+      - test:
+          name: python3_11
+          image: python:3.11.9
+      - test:
+          name: python3_10
+          image: python:3.10.13   
       - test:
           name: python3_9
           image: python:3.9.13
diff --git a/README.md b/README.md
index c9ef9e63..dbe31e2e 100644
--- a/README.md
+++ b/README.md
@@ -260,12 +260,18 @@ To mount file system within a given network namespace, run:
 $ sudo mount -t efs -o netns=netns-path file-system-id efs-mount-point/
 ```
 
-To mount file system to the mount target in specific availability zone (e.g. us-east-1a), run:
+To mount file system to the mount target in a specific availability zone (e.g. us-east-1a), run:
 
 ```bash
 $ sudo mount -t efs -o az=az-name file-system-id efs-mount-point/
 ```
 
+To mount file system to the mount target in a specific region (e.g. us-east-1), run:
+
+```bash
+$ sudo mount -t efs -o region=region-name file-system-id efs-mount-point/
+```
+
 **Note: The [prequisites in the crossaccount section below](#crossaccount-option-prerequisites) must be completed before using the crossaccount option.**
 
 To mount the filesystem mount target in the same physical availability zone ID (e.g. use1-az1) as the client instance over cross-AWS-account mounts, run:
diff --git a/amazon-efs-utils.spec b/amazon-efs-utils.spec
index 68e96fe3..bbd16d3c 100644
--- a/amazon-efs-utils.spec
+++ b/amazon-efs-utils.spec
@@ -41,8 +41,8 @@
 %{?!include_vendor_tarball:%define include_vendor_tarball true}
 
 Name      : amazon-efs-utils
-Version   : 2.0.4
-Release   : 2%{platform}
+Version   : 2.1.0
+Release   : 1%{platform}
 Summary   : This package provides utilities for simplifying the use of EFS file systems
 
 Group     : Amazon/Tools
@@ -192,22 +192,26 @@ fi
 %clean
 
 %changelog
+* Wed Sep 18 2024 Julie Rakas <jrakas@amazon.com> - 2.1.0
+- Add mount option for specifying region
+- Add new ISO regions to config file
+
 * Tue Jun 25 2024 Anthony Tse <anthotse@amazon.com> - 2.0.4
 - Add retry logic to and increase timeout for EC2 metadata token retrieval requests
 
 * Tue Jun 18 2024 Arnav Gupta <arnavgup@amazon.com> - 2.0.3
 - Upgrade py version
-- Replace deprecated usage of datetime
+- Replace deprecated usage of datetime 
 
 * Mon May 20 2024 Anthony Tse <anthotse@amazon.com> - 2.0.2
 - Check for efs-proxy PIDs when cleaning tunnel state files
 - Add PID to log entries
 
 * Tue Apr 23 2024 Ryan Stankiewicz <rjstank@amazon.com> - 2.0.1
-- Disable Nagle's algorithm for efs-proxy TLS mounts to improve latencies
+- Disable Nagle's algorithm for efs-proxy TLS mounts to improve latencies 
 
 * Mon Apr 08 2024 Ryan Stankiewicz <rjstank@amazon.com> - 2.0.0
-- Replace stunnel, which provides TLS encryptions for mounts, with efs-proxy, a component built in-house at AWS. Efs-proxy lays the foundation for upcoming feature launches at EFS.
+- Replace stunnel, which provides TLS encryptions for mounts, with efs-proxy, a component built in-house at AWS. Efs-proxy lays the foundation for upcoming feature launches at EFS. 
 
 * Mon Mar 18 2024 Sean Zatz <zatzsea@amazon.com> - 1.36.0
 - Support new mount option: crossaccount, conduct cross account mounts via ip address. Use client AZ-ID to choose mount target.
diff --git a/build-deb.sh b/build-deb.sh
index 278f2505..76be9aff 100755
--- a/build-deb.sh
+++ b/build-deb.sh
@@ -11,8 +11,8 @@ set -ex
 
 BASE_DIR=$(pwd)
 BUILD_ROOT=${BASE_DIR}/build/debbuild
-VERSION=2.0.4
-RELEASE=2
+VERSION=2.1.0
+RELEASE=1
 DEB_SYSTEM_RELEASE_PATH=/etc/os-release
 
 echo 'Cleaning deb build workspace'
diff --git a/config.ini b/config.ini
index a57dd738..86a460dd 100644
--- a/config.ini
+++ b/config.ini
@@ -7,5 +7,5 @@
 #
 
 [global]
-version=2.0.4
-release=2
+version=2.1.0
+release=1
diff --git a/dist/amazon-efs-utils.control b/dist/amazon-efs-utils.control
index 7734f8e6..d3f7b0c0 100644
--- a/dist/amazon-efs-utils.control
+++ b/dist/amazon-efs-utils.control
@@ -1,6 +1,6 @@
 Package: amazon-efs-utils
 Architecture: all
-Version: 2.0.4
+Version: 2.1.0
 Section: utils
 Depends: python3, nfs-common, stunnel4 (>= 4.56), openssl (>= 1.0.2), util-linux
 Priority: optional
diff --git a/dist/efs-utils.conf b/dist/efs-utils.conf
index 1b6d849e..5d9482fa 100644
--- a/dist/efs-utils.conf
+++ b/dist/efs-utils.conf
@@ -74,6 +74,22 @@ stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 dns_name_suffix = sc2s.sgov.gov
 stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
 
+[mount.us-isob-west-1]
+dns_name_suffix = sc2s.sgov.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
+[mount.us-isof-east-1]
+dns_name_suffix = csp.hci.ic.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
+[mount.us-isof-south-1]
+dns_name_suffix = csp.hci.ic.gov
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
+[mount.eu-isoe-west-1]
+dns_name_suffix = cloud.adc-e.uk
+stunnel_cafile = /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
+
 [mount-watchdog]
 enabled = true
 poll_interval_sec = 1
diff --git a/man/mount.efs.8 b/man/mount.efs.8
index f962fd97..a3a807a7 100644
--- a/man/mount.efs.8
+++ b/man/mount.efs.8
@@ -79,6 +79,9 @@ this option is by default passed and the EFS file system is mounted over TLS\&.
 \fBnotls\fR
 Mounts the EFS file system without TLS, applies for Mac distributions only\&.
 .TP
+\fBregion\fR
+Mounts the EFS file system from the specified region, overriding any config file value\&.
+.TP
 \fBtlsport=\fR\fIn\fR
 Configures the proxy process to listen for connections from the NFS client on the specified port\&. This is applicable to both non-tls and tls mounts.
  By default, the \
diff --git a/requirements.txt b/requirements.txt
index 05dffd55..ccc3de50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,20 +1,10 @@
-attrs==17.4.0
-botocore==1.17.53
-configparser==3.5.0
-coverage==4.5.4
-enum34==1.1.6
-flake8==3.7.9
-funcsigs==1.0.2
-mccabe==0.6.1
-mock==2.0.0
-pbr==3.1.1
-pluggy==0.13.0
-py==1.11.0
-pycodestyle==2.5.0
-pyflakes==2.1.1
-pytest==4.6.7
-pytest-cov==2.8.1
-pytest-html==1.19.0
-pytest-metadata==1.7.0
-pytest-mock==1.11.2
-six==1.11.0
+botocore == 1.34.140
+configparser == 7.0.0
+coverage == 7.6.0
+flake8 == 7.1.0
+pytest == 8.2.2
+pytest-cov == 5.0.0
+pytest-html == 4.1.1
+pytest-metadata == 3.1.1
+pytest-mock == 3.14.0
+mock == 5.1.0
diff --git a/src/mount_efs/__init__.py b/src/mount_efs/__init__.py
index 083e3fa1..675a18ca 100755
--- a/src/mount_efs/__init__.py
+++ b/src/mount_efs/__init__.py
@@ -85,7 +85,7 @@
     BOTOCORE_PRESENT = False
 
 
-VERSION = "2.0.4"
+VERSION = "2.1.0"
 SERVICE = "elasticfilesystem"
 
 AMAZON_LINUX_2_RELEASE_ID = "Amazon Linux release 2 (Karoo)"
@@ -242,6 +242,7 @@
     "noocsp",
     "notls",
     "ocsp",
+    "region",
     "tls",
     "tlsport",
     "verify",
@@ -370,14 +371,18 @@ def fatal_error(user_message, log_message=None, exit_code=1):
     sys.exit(exit_code)
 
 
-def get_target_region(config):
+def get_target_region(config, options):
     def _fatal_error(message):
         fatal_error(
             'Error retrieving region. Please set the "region" parameter '
-            "in the efs-utils configuration file.",
+            "in the efs-utils configuration file or specify it as a "
+            "mount option.",
             message,
         )
 
+    if "region" in options:
+        return options.get("region")
+
     try:
         return config.get(CONFIG_SECTION, "region")
     except NoOptionError:
@@ -1747,7 +1752,7 @@ def bootstrap_proxy(
         cert_details = None
         security_credentials = None
         client_info = get_client_info(config)
-        region = get_target_region(config)
+        region = get_target_region(config, options)
 
         if tls_enabled(options):
             cert_details = {}
@@ -2662,7 +2667,7 @@ def _validate_replacement_field_count(format_str, expected_ct):
     if options and "crossaccount" in options:
         try:
             az_id = get_az_id_from_instance_metadata(config, options)
-            region = get_target_region(config)
+            region = get_target_region(config, options)
             dns_name = "%s.%s.efs.%s.amazonaws.com" % (az_id, fs_id, region)
         except RuntimeError:
             err_msg = "Cannot retrieve AZ-ID from metadata service. This is required for the crossaccount mount option."
@@ -2687,7 +2692,7 @@ def _validate_replacement_field_count(format_str, expected_ct):
 
         if "{region}" in dns_name_format:
             expected_replacement_field_ct += 1
-            format_args["region"] = get_target_region(config)
+            format_args["region"] = get_target_region(config, options)
 
         if "{dns_name_suffix}" in dns_name_format:
             expected_replacement_field_ct += 1
@@ -3380,7 +3385,7 @@ def get_botocore_client(config, service, options):
         botocore_config = botocore.config.Config(use_fips_endpoint=True)
 
     session = botocore.session.get_session()
-    region = get_target_region(config)
+    region = get_target_region(config, options)
 
     if options and options.get("awsprofile"):
         profile = options.get("awsprofile")
diff --git a/src/proxy/Cargo.toml b/src/proxy/Cargo.toml
index b5f1d721..602677c5 100644
--- a/src/proxy/Cargo.toml
+++ b/src/proxy/Cargo.toml
@@ -3,7 +3,7 @@ name = "efs-proxy"
 edition = "2021"
 build = "build.rs"
 # The version of efs-proxy is tied to efs-utils.
-version = "2.0.4"
+version = "2.1.0"
 publish = false
 
 [dependencies]
@@ -25,7 +25,7 @@ s2n-tls-sys = "0.0"
 serde = {version="1.0.175",features=["derive"]}
 serde_ini = "0.2.0"
 thiserror = "1.0.44"
-tokio = { version = "1.29.0", features = ["full"] }
+tokio = { version = "1.29.0, <1.39", features = ["full"] }
 tokio-util = "0.7.8"
 uuid = { version = "1.4.1", features = ["v4", "fast-rng", "macro-diagnostics"]}
 xdr-codec = "0.4.4"
diff --git a/src/watchdog/__init__.py b/src/watchdog/__init__.py
index 3247a380..d9f620aa 100755
--- a/src/watchdog/__init__.py
+++ b/src/watchdog/__init__.py
@@ -56,7 +56,7 @@
     AMAZON_LINUX_2_RELEASE_ID,
     AMAZON_LINUX_2_PRETTY_NAME,
 ]
-VERSION = "2.0.4"
+VERSION = "2.1.0"
 SERVICE = "elasticfilesystem"
 
 CONFIG_FILE = "/etc/amazon/efs/efs-utils.conf"
diff --git a/test/mount_efs_test/test_get_target_instance_identity.py b/test/mount_efs_test/test_get_target_instance_identity.py
index 6700fbea..e3672793 100644
--- a/test/mount_efs_test/test_get_target_instance_identity.py
+++ b/test/mount_efs_test/test_get_target_instance_identity.py
@@ -84,9 +84,9 @@ def get_config(dns_name_format, region=None):
     return config
 
 
-def get_target_region_helper():
+def get_target_region_helper(options={}):
     config = get_config(DEFAULT_DNS_NAME_FORMAT)
-    return mount_efs.get_target_region(config)
+    return mount_efs.get_target_region(config, options)
 
 
 def get_target_az_helper(options={}):
@@ -166,7 +166,7 @@ def test_get_target_region_from_metadata(mocker):
     mocker.patch("mount_efs.get_aws_ec2_metadata_token", return_value=None)
     mocker.patch("mount_efs.urlopen", return_value=MockUrlLibResponse())
     config = get_config("{fs_id}.efs.{region}.{dns_name_suffix}", None)
-    assert TARGET_REGION == mount_efs.get_target_region(config)
+    assert TARGET_REGION == mount_efs.get_target_region(config, {})
 
 
 def test_get_target_region_config_metadata_unavailable(mocker, capsys):
@@ -174,7 +174,7 @@ def test_get_target_region_config_metadata_unavailable(mocker, capsys):
     mocker.patch("mount_efs.urlopen", side_effect=URLError("test error"))
     config = get_config("{fs_id}.efs.{region}.{dns_name_suffix}")
     with pytest.raises(SystemExit) as ex:
-        mount_efs.get_target_region(config)
+        mount_efs.get_target_region(config, {})
 
     assert 0 != ex.value.code
     out, err = capsys.readouterr()
@@ -232,13 +232,13 @@ def test_get_target_region_missing_region(mocker, capsys):
 
 def test_get_target_region_from_config_variable(mocker):
     config = get_config("{az}.{fs_id}.efs.us-east-2.{dns_name_suffix}", TARGET_REGION)
-    assert TARGET_REGION == mount_efs.get_target_region(config)
+    assert TARGET_REGION == mount_efs.get_target_region(config, {})
 
 
 def _test_get_target_region_from_dns_format(mocker, config):
     mocker.patch("mount_efs.get_aws_ec2_metadata_token", return_value=None)
     mocker.patch("mount_efs.urlopen", side_effect=URLError("test error"))
-    assert TARGET_REGION == mount_efs.get_target_region(config)
+    assert TARGET_REGION == mount_efs.get_target_region(config, {})
 
 
 def test_get_target_region_from_legacy_dns_name_format(mocker):
@@ -277,3 +277,7 @@ def test_get_target_az_not_present_in_options_and_instance_metadata(mocker):
 
 def test_get_target_az_from_options(mocker):
     assert TARGET_AZ == get_target_az_helper(options={"az": TARGET_AZ})
+
+
+def test_get_target_region_from_options(mocker):
+    assert TARGET_REGION == get_target_region_helper(options={"region": TARGET_REGION})