diff --git a/pkgs/development/python-modules/lancedb/default.nix b/pkgs/development/python-modules/lancedb/default.nix
index 929fc5843bd1..28dcdb583228 100644
--- a/pkgs/development/python-modules/lancedb/default.nix
+++ b/pkgs/development/python-modules/lancedb/default.nix
@@ -66,6 +66,11 @@ buildPythonPackage rec {
     openssl
   ];
 
+  pythonRelaxDeps = [
+    # pylance is pinned to a specific release
+    "pylance"
+  ];
+
   dependencies = [
     attrs
     cachetools
diff --git a/pkgs/development/python-modules/pylance/default.nix b/pkgs/development/python-modules/pylance/default.nix
index babde8453466..0e81a83962d2 100644
--- a/pkgs/development/python-modules/pylance/default.nix
+++ b/pkgs/development/python-modules/pylance/default.nix
@@ -34,14 +34,14 @@
 
 buildPythonPackage rec {
   pname = "pylance";
-  version = "0.23.0";
+  version = "0.23.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lancedb";
     repo = "lance";
     tag = "v${version}";
-    hash = "sha256-I8v690MTEYWy3NjbElD3bzhBR4RcvzRKoJoKbL2f/JE=";
+    hash = "sha256-H5C4gaXC/Vvzq/5Mr0ZeO3waJJ+v43IWDOVziSb9rgk=";
   };
 
   sourceRoot = "${src.name}/python";
@@ -53,7 +53,7 @@ buildPythonPackage rec {
       src
       sourceRoot
       ;
-    hash = "sha256-vNVS+ps+lTQ4M5hl+0TWItVO3U2SN64jDHhblODmIT0=";
+    hash = "sha256-QSqDxkI4O11s34fL397KPCSBKRieNhzAQu2QZuqD3yE=";
   };
 
   nativeBuildInputs = [