diff --git a/flake.lock b/flake.lock
index 30e4966..af14f1c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -83,11 +83,11 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1770399320,
-        "narHash": "sha256-ZeYsgvxLG0peMQsmzPLvFjp0ZNVI9NuxZSG3dUQpZ7w=",
+        "lastModified": 1772218272,
+        "narHash": "sha256-58OxqvVmSo7y5GuLrt1ogU8tmGvGgtijmaurHPZMSBs=",
         "owner": "DeterminateSystems",
         "repo": "nix-src",
-        "rev": "c9f71f35b00972bec5af4fe6d3cf3980c66a2372",
+        "rev": "fe3515c2e42b95fb250c22549367285191fb9f5d",
         "type": "github"
       },
       "original": {
diff --git a/nix-wasm-plugin-fib/tests/fib.nix b/nix-wasm-plugin-fib/tests/fib.nix
index a82cb10..3292aa3 100644
--- a/nix-wasm-plugin-fib/tests/fib.nix
+++ b/nix-wasm-plugin-fib/tests/fib.nix
@@ -1 +1 @@
-builtins.wasm <plugins/nix_wasm_plugin_fib.wasm> "fib" 33
+builtins.wasm { path = <plugins/nix_wasm_plugin_fib.wasm>; function = "fib"; } 33
diff --git a/nix-wasm-plugin-grep/tests/grep.nix b/nix-wasm-plugin-grep/tests/grep.nix
index 864f2d7..e9211cf 100644
--- a/nix-wasm-plugin-grep/tests/grep.nix
+++ b/nix-wasm-plugin-grep/tests/grep.nix
@@ -1,4 +1,4 @@
 let
-  grep = builtins.wasm <plugins/nix_wasm_plugin_grep.wasm> "grep";
+  grep = builtins.wasm { path = <plugins/nix_wasm_plugin_grep.wasm>; function = "grep"; };
 in
   map builtins.baseNameOf (grep { path = ../..; pattern = "hello 123"; inherit builtins; })
diff --git a/nix-wasm-plugin-ini/tests/test1.nix b/nix-wasm-plugin-ini/tests/test1.nix
index 57299b4..3508977 100644
--- a/nix-wasm-plugin-ini/tests/test1.nix
+++ b/nix-wasm-plugin-ini/tests/test1.nix
@@ -1 +1 @@
-builtins.wasm <plugins/nix_wasm_plugin_ini.wasm> "fromINI" (builtins.readFile ./test1.ini)
+builtins.wasm { path = <plugins/nix_wasm_plugin_ini.wasm>; function = "fromINI"; } (builtins.readFile ./test1.ini)
diff --git a/nix-wasm-plugin-mandelbrot/tests/test1.nix b/nix-wasm-plugin-mandelbrot/tests/test1.nix
index 321009c..cb0e703 100644
--- a/nix-wasm-plugin-mandelbrot/tests/test1.nix
+++ b/nix-wasm-plugin-mandelbrot/tests/test1.nix
@@ -1 +1 @@
-builtins.wasm <plugins/nix_wasm_plugin_mandelbrot.wasm> "mandelbrot" { width = 160; }
\ No newline at end of file
+builtins.wasm { path = <plugins/nix_wasm_plugin_mandelbrot.wasm>; function = "mandelbrot"; } { width = 160; }
diff --git a/nix-wasm-plugin-test/tests/call.nix b/nix-wasm-plugin-test/tests/call.nix
index 61ad7c6..858b2f9 100644
--- a/nix-wasm-plugin-test/tests/call.nix
+++ b/nix-wasm-plugin-test/tests/call.nix
@@ -1,8 +1,7 @@
 let 
-  wasm = builtins.wasm <plugins/nix_wasm_plugin_test.wasm>;
-  strictMap = wasm "strictMap";
-  range = wasm "range";
-  sum = wasm "sum";
-  double = wasm "double";
+  strictMap = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "strictMap"; };
+  range = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "range"; };
+  sum = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "sum"; };
+  double = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "double"; };
 in
   sum (strictMap { list = range { start = 0; end = 100000; }; fun = double; })
diff --git a/nix-wasm-plugin-test/tests/lazy.nix b/nix-wasm-plugin-test/tests/lazy.nix
index 8afb4e7..a29a294 100644
--- a/nix-wasm-plugin-test/tests/lazy.nix
+++ b/nix-wasm-plugin-test/tests/lazy.nix
@@ -1,5 +1,4 @@
 let
-  wasm = builtins.wasm <plugins/nix_wasm_plugin_test.wasm>;
-  lazyMap = wasm "lazyMap";
+  lazyMap = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "lazyMap"; };
 in
   builtins.elemAt (lazyMap { fun = (x: x * 2); list = [1 2 3 (throw "foo")]; }) 2
diff --git a/nix-wasm-plugin-test/tests/pure.nix b/nix-wasm-plugin-test/tests/pure.nix
index 3b98d89..3dc3673 100644
--- a/nix-wasm-plugin-test/tests/pure.nix
+++ b/nix-wasm-plugin-test/tests/pure.nix
@@ -1,5 +1,4 @@
 let
-  wasm = builtins.wasm <plugins/nix_wasm_plugin_test.wasm>;
-  counter = wasm "counter";
+  counter = builtins.wasm { path = <plugins/nix_wasm_plugin_test.wasm>; function = "counter"; };
 in
   [ (counter "x") (counter "y") (counter "z") ]
diff --git a/nix-wasm-plugin-yaml/tests/fromYAML.nix b/nix-wasm-plugin-yaml/tests/fromYAML.nix
index 16e1366..98a55f1 100644
--- a/nix-wasm-plugin-yaml/tests/fromYAML.nix
+++ b/nix-wasm-plugin-yaml/tests/fromYAML.nix
@@ -1 +1 @@
-builtins.wasm <plugins/nix_wasm_plugin_yaml.wasm> "fromYAML" (builtins.readFile ./test1.yaml)
+builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "fromYAML"; } (builtins.readFile ./test1.yaml)
diff --git a/nix-wasm-plugin-yaml/tests/toYAML.nix b/nix-wasm-plugin-yaml/tests/toYAML.nix
index 723038b..674f3d7 100644
--- a/nix-wasm-plugin-yaml/tests/toYAML.nix
+++ b/nix-wasm-plugin-yaml/tests/toYAML.nix
@@ -1,3 +1,3 @@
-builtins.wasm <plugins/nix_wasm_plugin_yaml.wasm> "toYAML"
-  (builtins.wasm <plugins/nix_wasm_plugin_yaml.wasm> "fromYAML"
+builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "toYAML"; }
+  (builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "fromYAML"; }
     (builtins.readFile ./test1.yaml))
diff --git a/nix-wasm-plugin-yaml/tests/toYAML2.nix b/nix-wasm-plugin-yaml/tests/toYAML2.nix
index 6f814bb..b9f8273 100644
--- a/nix-wasm-plugin-yaml/tests/toYAML2.nix
+++ b/nix-wasm-plugin-yaml/tests/toYAML2.nix
@@ -1 +1 @@
-builtins.wasm <plugins/nix_wasm_plugin_yaml.wasm> "toYAML" [{foo = 123; bar = null; xyzzy = "bla"; a.b.c = "abc";}]
+builtins.wasm { path = <plugins/nix_wasm_plugin_yaml.wasm>; function = "toYAML"; } [{foo = 123; bar = null; xyzzy = "bla"; a.b.c = "abc";}]
diff --git a/wasi/flake.lock b/wasi/flake.lock
index 0e3a605..8ea60bf 100644
--- a/wasi/flake.lock
+++ b/wasi/flake.lock
@@ -145,16 +145,15 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1771600547,
-        "narHash": "sha256-3Q/azBE+UgGYL3W5UE0nXCLxLo2MLiAG0NZi2vzG5mQ=",
+        "lastModified": 1772218272,
+        "narHash": "sha256-58OxqvVmSo7y5GuLrt1ogU8tmGvGgtijmaurHPZMSBs=",
         "owner": "DeterminateSystems",
         "repo": "nix-src",
-        "rev": "13061498efb05dd2895a88b966093b511272bf2d",
+        "rev": "fe3515c2e42b95fb250c22549367285191fb9f5d",
         "type": "github"
       },
       "original": {
         "owner": "DeterminateSystems",
-        "ref": "eelcodolstra/nix-282-allow-wasm-plugins-to-use-wasi",
         "repo": "nix-src",
         "type": "github"
       }
diff --git a/wasi/flake.nix b/wasi/flake.nix
index 4fce2d9..28ec373 100644
--- a/wasi/flake.nix
+++ b/wasi/flake.nix
@@ -8,7 +8,6 @@
       type = "github";
       owner = "DeterminateSystems";
       repo = "nix-src";
-      ref = "eelcodolstra/nix-282-allow-wasm-plugins-to-use-wasi";
     };
     fenix = {
       url = "https://flakehub.com/f/nix-community/fenix/0.1.*.tar.gz";
@@ -92,7 +91,7 @@
           }
           ''
             [[ $(nix eval --store dummy:// --offline --json --show-trace -I plugins=${self.packages.${system}.nix-wasi-plugins}/bin --impure --eval-cores 0 \
-              --expr 'builtins.wasi <plugins/nix-wasi-plugin-fib.wasm> 33') = 5702887 ]]
+              --expr 'builtins.wasm { path = <plugins/nix-wasi-plugin-fib.wasm>; } 33') = 5702887 ]]
             mkdir -p $out
           '';
       });