diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec3627c..f864352 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,9 +56,34 @@ jobs:
         with:
           node-version: 20.x
       - run: yarn
-      - uses: pre-commit/action@v3.0.0
+      - name: pre-commit
+        env:
+          SKIP: eslint
+        run: |
+          python -m pip install pre-commit && \
+          python -m pip freeze --local && \
+          pre-commit run \
+            --show-diff-on-failure \
+            --color=always \
+            --source ${{ github.event.pull_request.base.sha || 'HEAD~1' }} \
+            --origin ${{ github.event.pull_request.head.sha || 'HEAD' }} ;
+
+  run-eslint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
         with:
-          extra_args: --source ${{ github.event.pull_request.base.sha || 'HEAD~1' }} --origin ${{ github.event.pull_request.head.sha || 'HEAD' }}
+          fetch-depth: 100 # need the history to do a changed files check below (source, origin)
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 20.x
+      - run: yarn install --immutable
+
+      # The exclusion from the `git diff` is necessary because `yarn install`
+      # on CI modifies the `.pnp.cjs` file to change their actual locations
+      # but we don't care about that on CI.
+      - run: yarn lint --quiet --fix && git diff --exit-code -- . ':(exclude)*.pnp.cjs'
 
   build-to-npm:
     if: github.ref == 'refs/heads/main'
@@ -68,6 +93,7 @@ jobs:
       - run-depcheck
       - build-and-upload-artifacts
       - run-pre-commits
+      - run-eslint
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -90,6 +116,7 @@ jobs:
       - run-depcheck
       - build-and-upload-artifacts
       - run-pre-commits
+      - run-eslint
     steps:
       - name: Checkout
         uses: actions/checkout@v2
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3256848..866aec3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,7 +4,7 @@ repos:
   - repo: https://github.com/pre-commit/mirrors-prettier
     # Use the sha / tag you want to point at, this needs
     # to stay in sync with the package.json version
-    rev: 'v2.7.1'
+    rev: 'v3.0.3'
     hooks:
       - id: prettier
         args: [--write, --list-different]
diff --git a/package.json b/package.json
index afe9681..c119308 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "author": "Transcend Inc.",
   "name": "@transcend-io/type-utils",
   "description": "Small package containing useful typescript utilities.",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "homepage": "https://github.com/transcend-io/type-utils",
   "repository": {
     "type": "git",
@@ -19,7 +19,7 @@
     "update:deps": "yarn upgrade-interactive && yarn update:sdks",
     "build": "yarn tsc --build",
     "clean": "yarn tsc --build --clean",
-    "lint": "yarn eslint src --ext .ts",
+    "lint": "yarn eslint ./src --ext .js --ext .ts --ext .tsx --ext .jsx",
     "prepublish": "yarn build",
     "test": "yarn mocha './src/**/*.test.ts'"
   },
diff --git a/src/codecTools/dictionary.ts b/src/codecTools/dictionary.ts
index 71a4ac3..84807ff 100644
--- a/src/codecTools/dictionary.ts
+++ b/src/codecTools/dictionary.ts
@@ -3,10 +3,8 @@ import { unsafeCoerce } from 'fp-ts/lib/function';
 import * as t from 'io-ts';
 
 /** A record with optional keys */
-export interface DictionaryC<
-  D extends t.Mixed,
-  C extends t.Mixed,
-> extends t.DictionaryType<
+export interface DictionaryC<D extends t.Mixed, C extends t.Mixed>
+  extends t.DictionaryType<
     D,
     C,
     {
diff --git a/src/codecTools/partialRecord.ts b/src/codecTools/partialRecord.ts
index 5c0d14b..ea6806f 100644
--- a/src/codecTools/partialRecord.ts
+++ b/src/codecTools/partialRecord.ts
@@ -2,10 +2,8 @@
 import * as t from 'io-ts';
 
 // TODO: https://github.com/gcanti/io-ts/issues/429 - remove if/when io-ts supports this natively
-export interface PartialRecordC<
-  D extends t.Mixed,
-  C extends t.Mixed,
-> extends t.DictionaryType<
+export interface PartialRecordC<D extends t.Mixed, C extends t.Mixed>
+  extends t.DictionaryType<
     D,
     C,
     {
diff --git a/src/enums.ts b/src/enums.ts
index 251ddf2..5ba19b5 100644
--- a/src/enums.ts
+++ b/src/enums.ts
@@ -20,4 +20,4 @@ export const HttpMethod = makeEnum({
 /**
  * Override to cast as string
  */
-export type HttpMethod = typeof HttpMethod[keyof typeof HttpMethod];
+export type HttpMethod = (typeof HttpMethod)[keyof typeof HttpMethod];