diff --git a/pkgs/development/python-modules/uvicorn/default.nix b/pkgs/development/python-modules/uvicorn/default.nix
index 3719fd5f674a..f9a95d3fe3d1 100644
--- a/pkgs/development/python-modules/uvicorn/default.nix
+++ b/pkgs/development/python-modules/uvicorn/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "uvicorn";
-  version = "0.34.0";
+  version = "0.34.2";
   disabled = pythonOlder "3.8";
 
   pyproject = true;
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "encode";
     repo = "uvicorn";
     tag = version;
-    hash = "sha256-bOHHDwkTa742yRUhXh8NjbC95VabtRnQjBPk+q/tkxY=";
+    hash = "sha256-r5G3Z2sMFCs5HlUpVQ05Vip+3MjlSy+3Dkv6FO52uh4=";
   };
 
   outputs = [