diff --git a/pkgs/development/python-modules/dependency-injector/default.nix b/pkgs/development/python-modules/dependency-injector/default.nix
index 121175c50857..63fad6467c22 100644
--- a/pkgs/development/python-modules/dependency-injector/default.nix
+++ b/pkgs/development/python-modules/dependency-injector/default.nix
@@ -9,11 +9,11 @@ in
 
 buildPythonPackage rec {
   pname = "dependency-injector";
-  version = "3.14.12";
+  version = "3.15.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c0b593d30a9dcafd71459075fac14ccf52fcefa2094d5062dfc2e174c469dc03";
+    sha256 = "fcca1464f567d902983bff507b9e2e3fda0f932ee009e36f74ed5b8c348d17f4";
   };
 
   propagatedBuildInputs = [ six ];