diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4982d0d322..5a8cabceff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,8 +65,24 @@ jobs:
           DISABLE_V8_COMPILE_CACHE: '1'
         run: yarn run postinstall
 
+      - name: Check for package.json changes
+        id: changed-package-json
+        uses: tj-actions/changed-files@v44
+        with:
+          files: |
+            **/package.json
+          files_ignore: |
+            **/node_modules/**
+
       - name: Unit Test
-        run: yarn run unit-test-changed
+        run: |
+          if [[ "${{ steps.changed-package-json.outputs.any_changed }}" == "true" ]]; then
+            echo "Running all unit tests because a package.json file changed."
+            yarn run unit-test
+          else
+            echo "Running changed unit tests."
+            yarn run unit-test-changed
+          fi
         env:
           BITGOJS_TEST_PASSWORD: ${{ secrets.BITGOJS_TEST_PASSWORD }}
 
@@ -208,7 +224,7 @@ jobs:
 
       - name: Install Packages
         if: steps.lerna-cache.outputs.cache-hit != 'true' || contains( github.event.pull_request.labels.*.name, 'SKIP_CACHE')
-        run: yarn install --with-frozen-lockfile
+        run: yarn install --frozen-lockfile
 
       - name: build packages
         if: steps.lerna-cache.outputs.cache-hit == 'true'
diff --git a/.github/workflows/test_package_updates.yml b/.github/workflows/test_package_updates.yml
deleted file mode 100644
index 5da334e339..0000000000
--- a/.github/workflows/test_package_updates.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-name: Package updates
-
-on:
-  push:
-    branches:
-      - master
-    paths:
-      - '*/**/package.json'
-      - '!*/**/node_modules/package.json'
-      - 'package.json'
-      - '!node_modules/package.json'
-  pull_request:
-    branches:
-      - master
-      - rel/**
-    paths:
-      - '*/**/package.json'
-      - '!*/**/node_modules/package.json'
-      - 'package.json'
-      - '!node_modules/package.json'
-
-jobs:
-  unit-test-all:
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        node-version: [18.x, 20.x, 22.x]
-
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-
-      - name: Setup node:${{ matrix.node-version }}
-        uses: actions/setup-node@v2
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Fetch Base Ref
-        run: git fetch origin $GITHUB_BASE_REF
-
-      - name: Remove yarn.lock to simulate downstream installs
-        run: rm yarn.lock
-
-      - name: Install Packages
-        env:
-          # Workaround for https://github.com/nodejs/node/issues/51555
-          DISABLE_V8_COMPILE_CACHE: '1'
-        run: yarn install
-
-      - name: Unit test all
-        run: yarn unit-test
-        env:
-          BITGOJS_TEST_PASSWORD: ${{ secrets.BITGOJS_TEST_PASSWORD }}
diff --git a/modules/deser-lib/test/unit/deser-lib.ts b/modules/deser-lib/test/unit/deser-lib.ts
index 885a37b993..92b2b295ed 100644
--- a/modules/deser-lib/test/unit/deser-lib.ts
+++ b/modules/deser-lib/test/unit/deser-lib.ts
@@ -1,4 +1,4 @@
-import { Cbor } from '../..';
+import { Cbor } from '../../src';
 import * as cborFixtures from '../cbor/fixtures.json';
 
 describe('deser-lib', function () {
diff --git a/modules/utxo-bin/.eslintrc.json b/modules/utxo-bin/.eslintrc.json
index 8cc685ce4c..bbc73b4e08 100644
--- a/modules/utxo-bin/.eslintrc.json
+++ b/modules/utxo-bin/.eslintrc.json
@@ -2,6 +2,17 @@
   "extends": "../../.eslintrc.json",
   "rules": {
     "@typescript-eslint/explicit-module-boundary-types": "error",
+    "import/no-internal-modules": [
+      "error",
+      {
+        // these are false-positives
+        // certain packages explicitly ALLOW deep imports via the `exports` directive in package.json
+        "allow": [
+          "@bitgo/utxo-core/*",
+          "@noble/curves/*"
+        ]
+      }
+    ],
     "indent": "off"
   }
 }
diff --git a/modules/utxo-bin/package.json b/modules/utxo-bin/package.json
index e601d8ab67..b19df53f46 100644
--- a/modules/utxo-bin/package.json
+++ b/modules/utxo-bin/package.json
@@ -29,6 +29,7 @@
     "@bitgo/blockapis": "^1.10.18",
     "@bitgo/statics": "^54.5.0",
     "@bitgo/unspents": "^0.48.3",
+    "@bitgo/utxo-core": "^1.11.0",
     "@bitgo/utxo-lib": "^11.6.1",
     "@bitgo/wasm-miniscript": "2.0.0-beta.7",
     "@noble/curves": "1.8.1",