diff --git a/overrides/build-systems.json b/overrides/build-systems.json
index d4f7dfe..1ccdbca 100644
--- a/overrides/build-systems.json
+++ b/overrides/build-systems.json
@@ -596,6 +596,9 @@
   "lockfile": [
     "pbr"
   ],
+  "lsassy": [
+    "poetry-core"
+  ],
   "luftdaten": [
     "poetry-core"
   ],
@@ -653,8 +656,8 @@
     "poetry"
   ],
   "mkdocs-jupyter": [
-    "poetry-core",
-    "ipython_genutils"
+    "ipython_genutils",
+    "poetry-core"
   ],
   "mkdocs-literate-nav": [
     "poetry"
@@ -1026,6 +1029,9 @@
   "pyproject-flake8": [
     "flit-core"
   ],
+  "pypsrp": [
+    "poetry-core"
+  ],
   "pyquil": [
     "poetry-core"
   ],
diff --git a/overrides/default.nix b/overrides/default.nix
index 779a50d..a2a8549 100644
--- a/overrides/default.nix
+++ b/overrides/default.nix
@@ -866,6 +866,17 @@ lib.composeManyExtensions [
         }
       );
 
+      lsassy =
+        if super.lsassy.version == "3.1.1" then
+          super.lsassy.overridePythonAttrs
+            (old: {
+              # pyproject.toml contains a constraint `rich = "^10.6.0"` which is not replicated in setup.py
+              # hence pypi misses it and poetry pins rich to 11.0.0
+              preConfigure = (old.preConfigure or "") + ''
+                rm pyproject.toml
+              '';
+            }) else super.lsassy;
+
       lxml = super.lxml.overridePythonAttrs (
         old: {
           nativeBuildInputs = with pkgs.buildPackages; (old.nativeBuildInputs or [ ]) ++ [ pkg-config libxml2.dev libxslt.dev ] ++ lib.optionals stdenv.isDarwin [ xcodebuild ];