diff --git a/pkgs/development/python-modules/poetry/default.nix b/pkgs/development/python-modules/poetry/default.nix
index 1519187d174..95e45020d46 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 = "1.1.4";
+  version = "1.1.5";
   format = "pyproject";
   disabled = isPy27;
 
@@ -32,7 +32,7 @@ buildPythonPackage rec {
     owner = "python-poetry";
     repo = pname;
     rev = version;
-    sha256 = "0lx3qpz5dad0is7ki5a4vxphvc8cm8fnv4bmrx226a6nvvaj6ahs";
+    sha256 = "0bv6irpscpak6pldkzrx4j12dqnpfz5h8fy5lliglizv0avh60hf";
   };
 
   postPatch = ''