diff --git a/main/packages.nix b/main/packages.nix
index 442eb6d..d237d9c 100644
--- a/main/packages.nix
+++ b/main/packages.nix
@@ -171,11 +171,10 @@
         python39Packages.black
         python39Packages.ipython
         python39Packages.pip
+        python39Packages.poetry
         python39Packages.setuptools
         python39Packages.virtualenv
 
-        python38Packages.poetry # 3.9 doesn't work yet
-
         # ruby
         rbenv
 
diff --git a/overlays/rfd/default.nix b/overlays/rfd/default.nix
index 3b56218..07aa998 100644
--- a/overlays/rfd/default.nix
+++ b/overlays/rfd/default.nix
@@ -1,27 +1,25 @@
-{ lib, fetchFromGitHub, python3, }:
+{ lib, fetchFromGitHub, python3 }:
 
 let py = python3.override { };
 
 in with py.pkgs;
 buildPythonApplication rec {
   pname = "rfd";
-  version = "v0.6.0";
+  version = "v0.7.1";
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "davegallant";
     repo = "rfd";
     rev = version;
-    hash = "sha256:0cllhbca4dykl6j8snmml4kk6kzamlzhcrdf49f5v0zk7zljgkl1";
+    hash = "sha256-imFSkCFeSMLW7QYYF3cXp7tKEruLt8a6W3JDPblKHHU=";
   };
 
-  postPatch = ''
-    substituteInPlace requirements.txt --replace "soupsieve<=2.0" "soupsieve"
-    substituteInPlace requirements.txt --replace "beautifulsoup4<=4.8.2" "beautifulsoup4"
-  '';
-
   # No tests included
   doCheck = false;
 
+  nativeBuildInputs = [ poetry ];
+
   propagatedBuildInputs = with py.pkgs; [
     beautifulsoup4
     click
@@ -35,7 +33,7 @@ buildPythonApplication rec {
   meta = with lib; {
     homepage = "https://www.redflagdeals.com/";
     description = "View RedFlagDeals from the command line";
-    license = licenses.asl20;
-    maintainers = [ ];
+    license = licenses.gpl3;
+    maintainers = [ davegallant ];
   };
 }
diff --git a/overlays/srv/default.nix b/overlays/srv/default.nix
index 77e6d1c..82ed3f9 100644
--- a/overlays/srv/default.nix
+++ b/overlays/srv/default.nix
@@ -15,7 +15,7 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "a simple rss viewer";
-    license = licenses.unlicense;
+    license = licenses.gpl3;
     maintainers = with maintainers; [ davegallant ];
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/overlays/vpngate/default.nix b/overlays/vpngate/default.nix
index 89b6807..320012b 100644
--- a/overlays/vpngate/default.nix
+++ b/overlays/vpngate/default.nix
@@ -17,7 +17,7 @@ buildGoModule rec {
   meta = with lib; {
     homepage = "https://www.vpngate.net";
     description = "a client for vpngate.net";
-    license = licenses.asl20;
+    license = licenses.gpl3;
     maintainers = with maintainers; [ davegallant ];
     platforms = platforms.linux ++ platforms.darwin;
   };