diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 37930bc..8e47c8b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -23,7 +23,7 @@ permissions:
 
 jobs:
   publish:
-    uses: Emerging-Patterns/actions/.github/workflows/publish.yml@df4af92903396c9021937801c4f7f0c26ac3e890
+    uses: Emerging-Patterns/actions/.github/workflows/publish.yml@73b2fbc64cefd6e22bd786437adb5f35190ee837
     with:
       tag: ${{ inputs.tag }}
       hub-name: emerging-ezjson
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 4c03561..ce58853 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -22,7 +22,7 @@ jobs:
       contents: write
       pull-requests: write
       issues: write
-    uses: Emerging-Patterns/actions/.github/workflows/release-please.yml@df4af92903396c9021937801c4f7f0c26ac3e890
+    uses: Emerging-Patterns/actions/.github/workflows/release-please.yml@73b2fbc64cefd6e22bd786437adb5f35190ee837
     with:
       config-file: .github/release-please-config.json
       manifest-file: .github/release-please-manifest.json
@@ -32,7 +32,7 @@ jobs:
     if: needs.release-please.outputs.release_created == 'true'
     permissions:
       contents: read
-    uses: Emerging-Patterns/actions/.github/workflows/publish.yml@df4af92903396c9021937801c4f7f0c26ac3e890
+    uses: Emerging-Patterns/actions/.github/workflows/publish.yml@73b2fbc64cefd6e22bd786437adb5f35190ee837
     with:
       tag: ${{ needs.release-please.outputs.tag_name }}
       hub-name: emerging-ezjson
diff --git a/ez.lock.toml b/ez.lock.toml
index a6e1ce8..82b24fa 100644
--- a/ez.lock.toml
+++ b/ez.lock.toml
@@ -4,7 +4,8 @@ hub = "https://hub.bend-lang.com"
 [tools]
 [tools.bolt]
 git = "https://github.com/Emerging-Patterns/bolt"
-rev = "efb82d24598bd3e9e64004bc443093d4dd072173"
+rev = "358c2da98df8d2d15c5ceaa3a56521212b9029ca"
+tag = "v1.17.0"
 root = "."
-narHash = "sha256-hw4rVnEWEi9Q/Cen7ZGqdz+lYm1vup3+52rBwCEBskY="
+narHash = "sha256-J+XYAGvL7FOs4NgRwGG8itNlYTIQBM7dNq/r5nrB1Z8="
 entry = "main.bend"
diff --git a/ez.toml b/ez.toml
index 23fe06e..5fe101f 100644
--- a/ez.toml
+++ b/ez.toml
@@ -1,10 +1,11 @@
 [package]
 name = "ezjson"
 entry = "main.bend"
-
+[tools]
 [tools.bolt]
 git = "https://github.com/Emerging-Patterns/bolt"
-rev = "efb82d24598bd3e9e64004bc443093d4dd072173"
+rev = "358c2da98df8d2d15c5ceaa3a56521212b9029ca"
+tag = "v1.17.0"
 root = "."
-narHash = "sha256-hw4rVnEWEi9Q/Cen7ZGqdz+lYm1vup3+52rBwCEBskY="
+narHash = "sha256-J+XYAGvL7FOs4NgRwGG8itNlYTIQBM7dNq/r5nrB1Z8="
 entry = "main.bend"
diff --git a/flake.lock b/flake.lock
index 8af780d..2a21c58 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,41 +21,21 @@
         "type": "github"
       }
     },
-    "bend_2": {
-      "inputs": {
-        "nixpkgs": [
-          "ez",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1791348820,
-        "narHash": "sha256-2YQX/3rN/NVkKcxjVMPLs4D5ItBwsVTEJxxKV6mIGSE=",
-        "owner": "bendlang",
-        "repo": "bend",
-        "rev": "eebc18cd04daeade06c3f68c3c96c1faefd3462f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "bendlang",
-        "repo": "bend",
-        "rev": "eebc18cd04daeade06c3f68c3c96c1faefd3462f",
-        "type": "github"
-      }
-    },
     "ez": {
       "inputs": {
-        "bend": "bend_2",
+        "bend": [
+          "bend"
+        ],
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1791381403,
-        "narHash": "sha256-TaCVkunKx0FZVquSGNHmuzPDAI7DCv8Sy8upvTh324g=",
+        "lastModified": 1792730458,
+        "narHash": "sha256-gpyP8MmnJcmOdvlWRm5SGMKomi/pimr9dKaq0DExVew=",
         "owner": "Emerging-Patterns",
         "repo": "ez",
-        "rev": "10276ec0d103f77f14bf2191e6bf7d41416a870f",
+        "rev": "166a23c54b1c5a7bf587abd3d906332bd73a856b",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index bdb43eb..fd56fb9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,14 +8,10 @@
     url = "github:bendlang/bend/042e797ebd1cfc060603e2682879909fe86fa8c2";
     inputs.nixpkgs.follows = "nixpkgs";
   };
-  # Interim: ez 1.5.0 does not build on 2.0.38 yet, so ez (and the bolt it
-  # builds for mkLint) stays on its own bend, 2.0.36. The proofs run on this
-  # flake's bend (checks.proofs below). The tooling pass, once ez releases on
-  # 2.0.38, puts `inputs.bend.follows = "bend"` and ez.mkProofs back.
   inputs.ez = {
     url = "github:Emerging-Patterns/ez";
     inputs.nixpkgs.follows = "nixpkgs";
-    inputs.bend.url = "github:bendlang/bend/eebc18cd04daeade06c3f68c3c96c1faefd3462f";
+    inputs.bend.follows = "bend";
   };
 
   outputs = { self, nixpkgs, ... }@inputs:
@@ -26,7 +22,7 @@
       ez = inputs.ez.lib.${system};
       ezBin = inputs.ez.packages.${system}.default;
       bend = inputs.bend.packages.${system}.default;
-      bolt = ez.toolPackage { name = "bolt"; src = self; wrapFlags = [ "--gpu" "off" ]; };
+      bolt = ez.toolPackage { name = "bolt"; src = self; inherit bend; wrapFlags = ez.rtsFlags bend [ "--gpu" "off" ]; };
       bend-cc = ez.bend-cc;
 
       bench = import ./bench {
@@ -47,21 +43,7 @@
       apps.${system} = bench.apps;
 
       checks.${system} = {
-        # every PROOF.bend must print ALL PROOFS CHECK, on this flake's bend
-        # (interim for ez.mkProofs, which runs ez's own bend)
-        proofs = pkgs.runCommand "ezjson-proofs" {
-          nativeBuildInputs = [ bend ];
-          BEND_LIB = ez.bendLib ./ez.lock.toml;
-        } ''
-          export HOME=$TMPDIR
-          cp -r ${self} src && chmod -R u+w src && cd src
-          for p in $(find . -name PROOF.bend -not -path './.ez/*' | sort); do
-            first=$(cd "$(dirname "$p")" && bend "$(basename "$p")" | head -n 1)
-            echo "$p: $first"
-            [ "$first" = "ALL PROOFS CHECK" ] || exit 1
-          done
-          touch $out
-        '';
+        proofs = ez.mkProofs { ez = ezBin; src = self; };
         lint = ez.mkLint { src = self; };
       } // bench.checks // scale.checks;