diff --git a/flake.lock b/flake.lock
index 8bf39ff..df4331a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -54,15 +54,16 @@
     "openconnect-sso": {
       "flake": false,
       "locked": {
-        "lastModified": 1665516233,
+        "lastModified": 1665516882,
         "narHash": "sha256-RfAiWLBMZp6m4BF4NWAADxK2Xgn74y8WdiHUZd3svzU=",
         "owner": "hexop",
         "repo": "openconnect-sso",
-        "rev": "05e51961a1dd408fd9d2d41af066605a8e6cde55",
+        "rev": "9a0d27e96d07c42856fdb2c0891e310118d5da0f",
         "type": "github"
       },
       "original": {
         "owner": "hexop",
+        "ref": "poetry-workaround",
         "repo": "openconnect-sso",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 044317d..5c9f613 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,7 +16,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     openconnect-sso = {
-      url = "github:hexop/openconnect-sso";
+      url = "github:hexop/openconnect-sso/poetry-workaround";
       flake = false;
     };
     cyrus-sasl-xoauth2 = {