diff --git a/build.nix b/build.nix
index 5d073db..35230e3 100644
--- a/build.nix
+++ b/build.nix
@@ -1,7 +1,7 @@
 { pkgs, src }:
 
 with pkgs;
-with stdenv.lib;
+with pkgs.lib;
 let
   self = stdenv.mkDerivation rec {
     inherit src;
@@ -39,14 +39,12 @@ let
       EOF
     '';
 
-    rpath = stdenv.lib.strings.makeLibraryPath [
+    rpath = strings.makeLibraryPath [
       stdenv.cc.libc
       stdenv.cc.cc.lib
       glib
       linux-pam
       libxml2
-      libav_0_8
-      ffmpeg_3
       libxslt
       libGL
       xorg.libXxf86vm
diff --git a/flake.lock b/flake.lock
index c83cd08..655ddec 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,16 +18,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1611219034,
-        "narHash": "sha256-bgp8G3LcpvKs22/z5Cj4XQkmZq05Aa0vaP1bKl7X0zM=",
+        "lastModified": 1613161067,
+        "narHash": "sha256-pje2ooiswUj1uf8hDFVQsFYxoLlzKOGr4geJ75SleBc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f217c0ea7c148ddc0103347051555c7c252dcafb",
+        "rev": "5852a21819542e6809f68ba5a798600e69874e76",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -42,13 +42,13 @@
     "src": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-jiXy1Rlr/PG62+E5gbW7gggTPXXKwlhkcAzQvbiwiuU=",
+        "narHash": "sha256-HkhuD9nsr7VDDQOWYowZp1ZqQteU7tZHc2tOKbnhlDg=",
         "type": "tarball",
-        "url": "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3370-jdk15.0.1.tar.gz"
+        "url": "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3382-jdk15.0.1.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3370-jdk15.0.1.tar.gz"
+        "url": "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3382-jdk15.0.1.tar.gz"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 7c700ad..5e0a853 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,13 +2,13 @@
   description = "Azul Zing 15 Feature Preview flake";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-compat = {
       url = "github:edolstra/flake-compat";
       flake = false;
     };
     src = {
-      url = "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3370-jdk15.0.1.tar.gz";
+      url = "https://cdn.azul.com/zing-zvm/feature-preview/zing99.99.99.99-fp.dev-3382-jdk15.0.1.tar.gz";
       flake = false;
     };
   };