diff --git a/tavily/async_tavily.py b/tavily/async_tavily.py
index 33c6c29..a3159bc 100644
--- a/tavily/async_tavily.py
+++ b/tavily/async_tavily.py
@@ -202,6 +202,7 @@ async def _search(
             start_date: str = None,
             end_date: str = None,
             days: int = None,
+            max_hours: int = None,
             max_results: int = None,
             include_domains: Sequence[str] = None,
             exclude_domains: Sequence[str] = None,
@@ -230,6 +231,7 @@ async def _search(
             "start_date": start_date,
             "end_date": end_date,
             "days": days,
+            "max_hours": max_hours,
             "include_answer": include_answer,
             "include_raw_content": include_raw_content,
             "max_results": max_results,
@@ -272,6 +274,7 @@ async def search(self,
                      start_date: str = None,
                      end_date: str = None,
                      days: int = None,
+                     max_hours: int = None,
                      max_results: int = None,
                      include_domains: Sequence[str] = None,
                      exclude_domains: Sequence[str] = None,
@@ -300,6 +303,7 @@ async def search(self,
                                            start_date=start_date,
                                            end_date=end_date,
                                            days=days,
+                                           max_hours=max_hours,
                                            max_results=max_results,
                                            include_domains=include_domains,
                                            exclude_domains=exclude_domains,
diff --git a/tavily/tavily.py b/tavily/tavily.py
index 3be7dab..349f000 100644
--- a/tavily/tavily.py
+++ b/tavily/tavily.py
@@ -173,6 +173,7 @@ def _search(self,
                 start_date: str = None,
                 end_date: str = None,
                 days: int = None,
+                max_hours: int = None,
                 max_results: int = None,
                 include_domains: Sequence[str] = None,
                 exclude_domains: Sequence[str] = None,
@@ -202,6 +203,7 @@ def _search(self,
             "start_date": start_date,
             "end_date": end_date,
             "days": days,
+            "max_hours": max_hours,
             "include_answer": include_answer,
             "include_raw_content": include_raw_content,
             "max_results": max_results,
@@ -247,6 +249,7 @@ def search(self,
                start_date: str = None,
                end_date: str = None,
                days: int = None,
+               max_hours: int = None,
                max_results: int = None,
                include_domains: Sequence[str] = None,
                exclude_domains: Sequence[str] = None,
@@ -275,6 +278,7 @@ def search(self,
                                      start_date=start_date,
                                      end_date=end_date,
                                      days=days,
+                                     max_hours=max_hours,
                                      max_results=max_results,
                                      include_domains=include_domains,
                                      exclude_domains=exclude_domains,