diff --git a/locust/contrib/fasthttp.py b/locust/contrib/fasthttp.py
index 89f5a23de5..b11ddffafe 100644
--- a/locust/contrib/fasthttp.py
+++ b/locust/contrib/fasthttp.py
@@ -295,6 +295,9 @@ class by using the :py:func:`@task decorator <locust.task>` on the methods, or b
     insecure: bool = True
     """Parameter passed to FastHttpSession. Default True, meaning no SSL verification."""
 
+    concurrency: int = 1
+    """Parameter passed to FastHttpSession. Describes number of concurrent requests allowed by the FastHttpSession. Default 1."""
+
     abstract = True
     """Dont register this as a User class that can be run by itself"""
 
@@ -315,6 +318,7 @@ def __init__(self, environment):
             max_redirects=self.max_redirects,
             max_retries=self.max_retries,
             insecure=self.insecure,
+            concurrency=self.concurrency,
             user=self,
         )