diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6eb5edb..c21f27b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,20 +7,20 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: npm i
       - run: npm run lint
 
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: npm i
       - run: npx tsc
 
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: npm i
       - run: npm run coverage
diff --git a/package.json b/package.json
index 3901a80..3df89ca 100644
--- a/package.json
+++ b/package.json
@@ -5,8 +5,11 @@
   "author": "Hyperparam",
   "homepage": "https://hyperparam.app",
   "keywords": [
+    "ai",
+    "data",
     "hyperparam",
     "hyparquet",
+    "ml",
     "parquet",
     "parquetjs",
     "parser",
diff --git a/src/constants.js b/src/constants.js
index 0d7d2c8..821534c 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -57,25 +57,6 @@ export const ConvertedType = [
   'INTERVAL',
 ]
 
-/** @type {import('../src/types.d.ts').LogicalTypeType[]} */
-export const logicalTypeType = [
-  'NULL',
-  'STRING',
-  'MAP',
-  'LIST',
-  'ENUM',
-  'DECIMAL',
-  'DATE',
-  'TIME',
-  'TIMESTAMP',
-  'INTERVAL',
-  'INTEGER',
-  'NULL',
-  'JSON',
-  'BSON',
-  'UUID',
-]
-
 /** @type {import('../src/types.d.ts').CompressionCodec[]} */
 export const CompressionCodec = [
   'UNCOMPRESSED',
diff --git a/src/types.d.ts b/src/types.d.ts
index 1c1a6ca..217c327 100644
--- a/src/types.d.ts
+++ b/src/types.d.ts
@@ -170,7 +170,6 @@ type LogicalTypeSimple =
   'MAP' |
   'LIST' |
   'ENUM' |
-  'DECIMAL' |
   'DATE' |
   'INTERVAL' |
   'NULL' |