diff --git a/lib/req_athena.ex b/lib/req_athena.ex
index 0878d6c..c007c9b 100644
--- a/lib/req_athena.ex
+++ b/lib/req_athena.ex
@@ -19,6 +19,7 @@ defmodule ReqAthena do
     workgroup
     region
     database
+    catalog
     athena
     output_location
     cache_query
@@ -265,7 +266,10 @@ defmodule ReqAthena do
 
     body =
       Map.merge(output_config, %{
-        QueryExecutionContext: %{Database: Request.fetch_option!(request, :database)},
+        QueryExecutionContext: %{
+          Database: Request.fetch_option!(request, :database),
+          Catalog: Request.get_option(request, :catalog)
+        },
         QueryString: ReqAthena.Query.to_query_string(query)
       })
 
diff --git a/test/req_athena_test.exs b/test/req_athena_test.exs
index 4677db0..fcc4b51 100644
--- a/test/req_athena_test.exs
+++ b/test/req_athena_test.exs
@@ -164,6 +164,7 @@ defmodule ReqAthenaTest do
           assert %{
                    "ClientRequestToken" => ^client_req_token,
                    "QueryExecutionContext" => %{
+                     "Catalog" => nil,
                      "Database" => "my_awesome_database"
                    },
                    "QueryString" => "EXECUTE query_8CD6B60FAFA18EBFA8719A6EAC192624 USING 1",
@@ -181,6 +182,7 @@ defmodule ReqAthenaTest do
           assert %{
                    "ClientRequestToken" => ^client_req_token,
                    "QueryExecutionContext" => %{
+                     "Catalog" => nil,
                      "Database" => "my_awesome_database"
                    },
                    "QueryString" =>
@@ -346,7 +348,10 @@ defmodule ReqAthenaTest do
 
         assert %{
                  "ClientRequestToken" => ^client_req_token,
-                 "QueryExecutionContext" => %{"Database" => "my_awesome_database"},
+                 "QueryExecutionContext" => %{
+                   "Catalog" => nil,
+                   "Database" => "my_awesome_database"
+                 },
                  "QueryString" => "select * from iris",
                  "WorkGroup" => "default"
                } = decoded