diff --git a/package.json b/package.json
index 3ed6b48..6c03db9 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
 			"import": "./dist/kysely/index.js"
 		}
 	},
+	"sideEffects": false,
 	"files": [
 		"dist",
 		"src"
diff --git a/src/lib/exec-on-db.ts b/src/lib/exec-on-db.ts
index a876278..fbf9134 100644
--- a/src/lib/exec-on-db.ts
+++ b/src/lib/exec-on-db.ts
@@ -1,4 +1,4 @@
-import { RawResultData, Sqlite3Db, Sqlite3Method } from '../types.js';
+import type { RawResultData, Sqlite3Db, Sqlite3Method } from '../types.js';
 
 export function execOnDb(
 	db: Sqlite3Db,
diff --git a/src/lib/get-query-key.ts b/src/lib/get-query-key.ts
index 4f8338d..fb89a33 100644
--- a/src/lib/get-query-key.ts
+++ b/src/lib/get-query-key.ts
@@ -1,5 +1,5 @@
 import { nanoid } from 'nanoid';
-import { QueryKey } from '../types.js';
+import type { QueryKey } from '../types.js';
 
 export function getQueryKey(): QueryKey {
 	return nanoid();
diff --git a/src/lib/sql-tag.ts b/src/lib/sql-tag.ts
index 0514498..09b37d9 100644
--- a/src/lib/sql-tag.ts
+++ b/src/lib/sql-tag.ts
@@ -1,4 +1,4 @@
-import { Statement } from '../types.js';
+import type { Statement } from '../types.js';
 
 export function sqlTag(
 	queryTemplate: TemplateStringsArray,