diff --git a/docs/usage.rst b/docs/usage.rst
index caa0755b..97a455bd 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -101,6 +101,7 @@ In the ``[az]`` section you specify Azure credentials as well as Azure Blob Stor
     connection_string = "DefaultEndpointsProtocol=https;AccountName=ACCOUNT_NAME;AccountKey=ACCOUNT_KEY;EndpointSuffix=core.windows.net"
     container_name = twindb-backups
     remote_path = /backups/mysql # optional
+    max_concurrency = 1 # optional
 
 In the ``[az.client]`` section you specify optional Azure Blob Storage client options.
 
@@ -118,6 +119,7 @@ In the ``[az.client]`` section you specify optional Azure Blob Storage client op
     max_single_get_size = 33554432
     max_chunk_get_size = 4194304
     audience = "https://storage.azure.com/"
+    connection_timeout = 20
 
 Google Cloud Storage
 ~~~~~~~~~~~~~~~~~~~~
diff --git a/support/twindb-backup.cfg b/support/twindb-backup.cfg
index 22bf38d2..62d0c3bc 100644
--- a/support/twindb-backup.cfg
+++ b/support/twindb-backup.cfg
@@ -38,6 +38,7 @@ BUCKET=twindb-backups
 connection_string="DefaultEndpointsProtocol=https;AccountName=ACCOUNT_NAME;AccountKey=ACCOUNT_KEY;EndpointSuffix=core.windows.net"
 container_name=twindb-backups
 #remote_path = /backups/mysql # optional
+#max_concurrency = 1 # optional
 
 [az.client]
 
@@ -53,6 +54,7 @@ container_name=twindb-backups
 # max_single_get_size=33554432 # optional
 # max_chunk_get_size=4194304 # optional
 # audience="https://storage.azure.com/"  # optional
+# connection_timeout=20 # optional
 
 [gcs]
 
diff --git a/tests/unit/conftest.py b/tests/unit/conftest.py
index dcf85cf3..30422753 100644
--- a/tests/unit/conftest.py
+++ b/tests/unit/conftest.py
@@ -32,6 +32,7 @@ def config_content():
 connection_string="DefaultEndpointsProtocol=https;AccountName=ACCOUNT_NAME;AccountKey=ACCOUNT_KEY;EndpointSuffix=core.windows.net"
 container_name="twindb-backups"
 remote_path="/backups/mysql"
+max_concurrency=1
 
 [az.client]
 api_version="2019-02-02"
@@ -44,6 +45,7 @@ def config_content():
 max_single_get_size=33554432
 max_chunk_get_size=4194304
 audience="https://storage.azure.com/"
+connection_timeout=20
 
 [gcs]
 GC_CREDENTIALS_FILE="XXXXX"
diff --git a/vagrant/environment/puppet/modules/profile/files/twindb-backup.cfg b/vagrant/environment/puppet/modules/profile/files/twindb-backup.cfg
index 82fd9308..55b2c7f2 100644
--- a/vagrant/environment/puppet/modules/profile/files/twindb-backup.cfg
+++ b/vagrant/environment/puppet/modules/profile/files/twindb-backup.cfg
@@ -27,6 +27,7 @@ BUCKET="twindb-backups"
 connection_string="DefaultEndpointsProtocol=https;AccountName=ACCOUNT_NAME;AccountKey=ACCOUNT_KEY;EndpointSuffix=core.windows.net"
 container_name="twindb-backups"
 #remote_path = /backups/mysql # optional
+#max_concurrency = 1 # optional
 
 # Azure client optional settings
 #[az.client]
@@ -40,6 +41,7 @@ container_name="twindb-backups"
 # max_single_get_size=33554432 # optional
 # max_chunk_get_size=4194304 # optional
 # audience="https://storage.azure.com/"  # optional
+# connection_timeout=20 # optional
 
 # GCS destination settings
 [gcs]