diff --git a/pkgs/development/python-modules/trio/default.nix b/pkgs/development/python-modules/trio/default.nix
index 135142529a95..9a63850e53e7 100644
--- a/pkgs/development/python-modules/trio/default.nix
+++ b/pkgs/development/python-modules/trio/default.nix
@@ -18,12 +18,12 @@
 
 buildPythonPackage rec {
   pname = "trio";
-  version = "0.13.0";
+  version = "0.15.1";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f1cf00054ad974c86d9b7afa187a65d79fd5995340abe01e8e4784d86f4acb30";
+    sha256 = "3010864ab8d8b2ae44d3bc97b0e8924d8f5170bf32f07c7638a930a129687f33";
   };
 
   checkInputs = [ astor pytest pyopenssl trustme jedi pylint yapf ];