diff --git a/pkgs/tools/package-management/poetry/default.nix b/pkgs/tools/package-management/poetry/default.nix
index 3317e785d0b8..dda8d0a132a1 100644
--- a/pkgs/tools/package-management/poetry/default.nix
+++ b/pkgs/tools/package-management/poetry/default.nix
@@ -12,13 +12,14 @@ let
       # We keep the override around even when the versions match, as
       # it's likely to become relevant again after the next Poetry update.
       poetry-core = super.poetry-core.overridePythonAttrs (old: rec {
-        version = "1.9.0";
+        version = "1.9.1";
         src = fetchFromGitHub {
           owner = "python-poetry";
           repo = "poetry-core";
           rev = "refs/tags/${version}";
-          hash = "sha256-vvwKbzGlvv2LTbXfJxQVM3nUXFGntgJxsku6cbRxCzw=";
+          hash = "sha256-L8lR9sUdRYqjkDCQ0XHXZm5X6xD40t1gxlGiovvb/+8=";
         };
+        patches = [ ];
       });
     } // (plugins self);
   python = python3.override (old: {
@@ -39,7 +40,7 @@ let
   withPlugins = selector: let
     selected = selector (plugins python.pkgs);
   in python.pkgs.toPythonApplication (python.pkgs.poetry.overridePythonAttrs (old: {
-    propagatedBuildInputs = old.propagatedBuildInputs ++ selected;
+    dependencies = old.dependencies ++ selected;
 
     # save some build time when adding plugins by disabling tests
     doCheck = selected == [ ];
diff --git a/pkgs/tools/package-management/poetry/unwrapped.nix b/pkgs/tools/package-management/poetry/unwrapped.nix
index 4a520f201883..8e24ed705b48 100644
--- a/pkgs/tools/package-management/poetry/unwrapped.nix
+++ b/pkgs/tools/package-management/poetry/unwrapped.nix
@@ -38,7 +38,7 @@
 
 buildPythonPackage rec {
   pname = "poetry";
-  version = "1.8.3";
+  version = "1.8.4";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -47,9 +47,13 @@ buildPythonPackage rec {
     owner = "python-poetry";
     repo = "poetry";
     rev = "refs/tags/${version}";
-    hash = "sha256-PPHt9GG5XJzrhnuAS8L+0Pa3El3RNCdEbXbLnHopDWg=";
+    hash = "sha256-pk57Jxf4hkMKLn1pOa9BtHLwLJ6qmXc55TqQN5Vr2k8=";
   };
 
+  build-system = [
+    poetry-core
+  ];
+
   nativeBuildInputs = [
     installShellFiles
   ];
@@ -57,9 +61,10 @@ buildPythonPackage rec {
   pythonRelaxDeps = [
     "dulwich"
     "keyring"
+    "virtualenv"
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     build
     cachecontrol
     cleo