diff --git a/pkgs/development/python-modules/poetry/default.nix b/pkgs/development/python-modules/poetry/default.nix
index 29477474c845..fcf010b3d6a9 100644
--- a/pkgs/development/python-modules/poetry/default.nix
+++ b/pkgs/development/python-modules/poetry/default.nix
@@ -24,7 +24,7 @@
 
 buildPythonPackage rec {
   pname = "poetry";
-  version = "1.1.8";
+  version = "1.1.11";
   format = "pyproject";
   disabled = isPy27;
 
@@ -32,7 +32,7 @@ buildPythonPackage rec {
     owner = "python-poetry";
     repo = pname;
     rev = version;
-    sha256 = "0qcgjb78nj69sppd8146519q9422xxg1bi34gyxy51sjkvd5lxhz";
+    sha256 = "17yi15jp32v5vc9aarxkncz3jd0s4bqw8p26yyf4swdvafig0qab";
   };
 
   postPatch = ''