diff --git a/ezaudio/LAWS.bend b/ezaudio/LAWS.bend
index c41f29e..b7d01cf 100644
--- a/ezaudio/LAWS.bend
+++ b/ezaudio/LAWS.bend
@@ -44,10 +44,10 @@ def pcm.pair() -> List<&2, U32>:
 def bytes.main(xs: List<&2, U32>) -> List<&2, U32>:
   Dec.side.skip(Dec.bits.of(xs), ((32 + 18 : U32)))
 
-def gran.0(xs: List<&2, U32>) -> Dec.Gd:
+def gran.g0(xs: List<&2, U32>) -> Dec.Gd:
   Dec.side.gd(Dec.side.ch(bytes.main(xs)))
 
-def gran.1(xs: List<&2, U32>) -> Dec.Gd:
+def gran.g1(xs: List<&2, U32>) -> Dec.Gd:
   Dec.side.gd(Dec.side.ch(Dec.side.pair(Dec.side.ch(bytes.main(xs)))))
 
 def pair.bytes() -> List<&2, U32>:
@@ -82,8 +82,8 @@ def gd.tab(g: Dec.Gd) -> U32:
 # Separate laws each re-normalized pair.bytes() and dominated `ez test` wall time.
 def pair.probe() -> List<&2, U32> & U32 & U32 & U32 & U32 & U32 & U32 & U32 & Maybe<&2, Au.Clip>:
   +xs = pair.bytes()
-  +g0 = gran.0(xs)
-  +g1 = gran.1(xs)
+  +g0 = gran.g0(xs)
+  +g1 = gran.g1(xs)
   (List.take(&2, U32, xs, 4n), U32.from_nat(List.length(&2, U32, xs)), gd.big(g0),
     gd.gain(g0), gd.part(g0), gd.block(g0), gd.tab(g0), gd.big(g1), Au.decode_mp3(xs))
 
diff --git a/flake.lock b/flake.lock
index 21b5b2c..e2c72df 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1790348040,
-        "narHash": "sha256-6oh+6jj7kyl4xJsmq4p3BtU/BUl2f2LlC/5kH081D1M=",
+        "lastModified": 1790359392,
+        "narHash": "sha256-z0Xwg46QesyRnlb7+sQue2GRq90v9M2XVaNVVSdd5Vs=",
         "owner": "bendlang",
         "repo": "bend",
-        "rev": "774ef644dccf9c3f8053f7276d8901ad23da006c",
+        "rev": "11c65a2572e16d0bfc2e83068b23ed8fb180ccc0",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,28 @@
         "type": "github"
       }
     },
+    "bend_2": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1790200275,
+        "narHash": "sha256-huYLnKbMUukFhFLypIXx/wLVU3EmgsUEe9l67mU6CDw=",
+        "owner": "bendlang",
+        "repo": "bend",
+        "rev": "d37909174ebd664338ae3194799a9e0899dedd51",
+        "type": "github"
+      },
+      "original": {
+        "owner": "bendlang",
+        "repo": "bend",
+        "rev": "d37909174ebd664338ae3194799a9e0899dedd51",
+        "type": "github"
+      }
+    },
     "ez": {
       "inputs": {
-        "bend": [
-          "bend"
-        ],
+        "bend": "bend_2",
         "nixpkgs": [
           "nixpkgs"
         ]
@@ -44,6 +61,22 @@
       }
     },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1790185690,
+        "narHash": "sha256-xJ+X4hBtOcAFGBOe5nAMyMUeF9foJBmIOu3NjBqBycU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4975466d324710c576dc11ad614684e6bd8cad8e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1789921291,
         "narHash": "sha256-Ft/BRnIqw1MywFoXydKobjjWmDFgDdYtSpJliE8+yUw=",
@@ -63,7 +96,7 @@
       "inputs": {
         "bend": "bend",
         "ez": "ez",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs_2"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index a37ced9..d6a1478 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,7 +9,10 @@
   inputs.ez = {
     url = "github:Emerging-Patterns/ez";
     inputs.nixpkgs.follows = "nixpkgs";
-    inputs.bend.follows = "bend";
+    # not `inputs.bend.follows = "bend"`: ez 1.2.0 does not build on bend
+    # 2.0.28, so ez (and `ez prove`, and bolt through mkLint) keep the bend
+    # ez 1.2.0 locks, 2.0.27
+    inputs.bend.url = "github:bendlang/bend/d37909174ebd664338ae3194799a9e0899dedd51";
   };
 
   outputs = { self, nixpkgs, ... }@inputs:
@@ -20,7 +23,7 @@
       ez = inputs.ez.lib.${system};
       ezBin = inputs.ez.packages.${system}.default;
       bend = inputs.bend.packages.${system}.default;
-      bolt = ez.toolPackage { name = "bolt"; src = self; inherit bend; wrapFlags = [ "--gpu" "off" ]; };
+      bolt = ez.toolPackage { name = "bolt"; src = self; wrapFlags = [ "--gpu" "off" ]; };
       bend-cc = ez.bend-cc;
 
       bench = import ./bench {