From 059f78b27ccecabc5f8cf68f181e3253002c8f34 Mon Sep 17 00:00:00 2001
From: AndrianEquestrian <88708533+AndrianEquestrian@users.noreply.github.com>
Date: Thu, 23 Oct 2025 16:33:53 +0300
Subject: [PATCH] Fix FastDepends v3 compatibility (#933)

---
 src/dependency_injector/wiring.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/dependency_injector/wiring.py b/src/dependency_injector/wiring.py
index 211fdcde..ceeee74e 100644
--- a/src/dependency_injector/wiring.py
+++ b/src/dependency_injector/wiring.py
@@ -76,8 +76,18 @@ with suppress(ImportError):
 
     MARKER_EXTRACTORS.append(extract_marker_from_fastapi)
 
-with suppress(ImportError):
-    from fast_depends.dependencies import Depends as FastDepends
+with suppress(ImportError):  # fast_depends >=3.0.0
+    from fast_depends.dependencies.model import Dependant as FastDependant  # type: ignore[attr-defined]
+
+    def extract_marker_from_dependant_fast_depends(param: Any) -> Any:
+        if isinstance(param, FastDependant):
+            return param.dependency
+        return None
+
+    MARKER_EXTRACTORS.append(extract_marker_from_dependant_fast_depends)
+
+with suppress(ImportError):  # fast_depends <3.0.0
+    from fast_depends.dependencies import Depends as FastDepends  # type: ignore[attr-defined]
 
     def extract_marker_from_fast_depends(param: Any) -> Any:
         if isinstance(param, FastDepends):