diff --git a/package-lock.json b/package-lock.json
index c87c819..6f43664 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,21 +1,21 @@
 {
   "name": "@pseinfo/database-schema",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@pseinfo/database-schema",
-      "version": "0.1.1",
+      "version": "0.1.2",
       "license": "MIT",
       "dependencies": {
-        "devtypes": "^1.0.1"
+        "devtypes": "^2.0.0"
       }
     },
     "node_modules/devtypes": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/devtypes/-/devtypes-1.0.2.tgz",
-      "integrity": "sha512-KHQ3wquyfcYAntOuLJmGO5IBdto029IP4EMKuWgD1wI6M+3s3ic5jOxemZCtu3vmYEDKzvDYvkRwlTgokcgOfg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/devtypes/-/devtypes-2.0.0.tgz",
+      "integrity": "sha512-gAB7qGCwFNDsFbWMtXZSYd884Kvv7o7l/XK6MbvQi3IsoqI/6I+neV8PmJIStFUVn3MF7bnw1oKBMB6tfqCYTg==",
       "license": "MIT",
       "engines": {
         "node": ">=18.0.0"
diff --git a/package.json b/package.json
index 9be23d1..1a124fb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@pseinfo/database-schema",
   "description": "TypeScript type declarations for the @pseinfo database",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "license": "MIT",
   "author": {
     "name": "Paul Köhler",
@@ -17,8 +17,14 @@
     "url": "https://github.com/pseinfo/database-schema/issues"
   },
   "keywords": [
-    "database", "schema", "chemistry", "types", "typescript",
-    "periodic-table", "type-definitions", "pseinfo"
+    "database",
+    "schema",
+    "chemistry",
+    "types",
+    "typescript",
+    "periodic-table",
+    "type-definitions",
+    "pseinfo"
   ],
   "type": "module",
   "types": "types/index.ts",
@@ -46,7 +52,7 @@
     "LICENSE"
   ],
   "dependencies": {
-    "devtypes": "^1.0.1"
+    "devtypes": "^2.0.0"
   },
   "scripts": {
     "lint": "tsc"
diff --git a/types/abstract/collection.ts b/types/abstract/collection.ts
index 738a94b..5b253c9 100644
--- a/types/abstract/collection.ts
+++ b/types/abstract/collection.ts
@@ -3,7 +3,8 @@
  * Utility types for defining collections of properties with various structures.
  */
 
-import { LiteralUnion } from 'devtypes/types/primitives';
+import { LiteralUnion } from 'devtypes/types/primitive';
+
 import { Property } from './property';
 
 /** Utility types */
diff --git a/types/abstract/condition.ts b/types/abstract/condition.ts
index a29d21f..5aaa259 100644
--- a/types/abstract/condition.ts
+++ b/types/abstract/condition.ts
@@ -3,7 +3,8 @@
  * Defines a mapping of physical quantities as conditions for properties.
  */
 
-import { Primitive } from 'devtypes/types/primitives';
+import { Primitive } from 'devtypes/types/primitive';
+
 import { PhysicalQuantity } from './unit';
 import { Value } from './value';
 
diff --git a/types/abstract/form.ts b/types/abstract/form.ts
index e5c7efd..6dc11d7 100644
--- a/types/abstract/form.ts
+++ b/types/abstract/form.ts
@@ -3,9 +3,10 @@
  * Defines the structure for various form types of substances.
  */
 
-import { Brand } from 'devtypes/types/base';
-import { DeepPartial } from 'devtypes/types/collections';
-import { RequireFrom, StrictSubset } from 'devtypes/types/constraints';
+import { RequireFrom, StrictSubset } from 'devtypes/types/constraint';
+import { DeepPartial } from 'devtypes/types/transform';
+import { Brand } from 'devtypes/types/util';
+
 import { CrystalStructure, Phase } from '../utils/const';
 import { Collection, Distinct } from './collection';
 
diff --git a/types/abstract/property.ts b/types/abstract/property.ts
index 4940479..e49a490 100644
--- a/types/abstract/property.ts
+++ b/types/abstract/property.ts
@@ -3,7 +3,8 @@
  * Definitions for various property types used in the database schema.
  */
 
-import { Primitive } from 'devtypes/types/primitives';
+import { Primitive } from 'devtypes/types/primitive';
+
 import { Conditions } from './condition';
 import { RefId } from './reference';
 import { PhysicalQuantity } from './unit';
diff --git a/types/abstract/reference.ts b/types/abstract/reference.ts
index e83f941..249dcc6 100644
--- a/types/abstract/reference.ts
+++ b/types/abstract/reference.ts
@@ -3,8 +3,8 @@
  * Types and structures for bibliographic references based on BibTeX.
  */
 
-import { Brand } from 'devtypes/types/base';
-import { ExtractFrom, RequireAtLeastOne, RequireExactlyOne, StrictSubset } from 'devtypes/types/constraints';
+import { ExtractFrom, RequireAtLeastOne, RequireExactlyOne, StrictSubset } from 'devtypes/types/constraint';
+import { Brand } from 'devtypes/types/util';
 
 /** Reference types based on BibTeX */
 export const ReferenceType = [
diff --git a/types/abstract/uncertainty.ts b/types/abstract/uncertainty.ts
index 82c328f..bb23c2b 100644
--- a/types/abstract/uncertainty.ts
+++ b/types/abstract/uncertainty.ts
@@ -3,8 +3,8 @@
  * Physical and measurement uncertainty representations.
  */
 
-import { Brand } from 'devtypes/types/base';
-import { RequireFrom } from 'devtypes/types/constraints';
+import { RequireFrom } from 'devtypes/types/constraint';
+import { Brand } from 'devtypes/types/util';
 
 /** Uncertainty types */
 export const UncertaintyType = [ 'absolute', 'relative', 'asymmetrical' ] as const;
diff --git a/types/abstract/unit.ts b/types/abstract/unit.ts
index f9ab1f4..142e8df 100644
--- a/types/abstract/unit.ts
+++ b/types/abstract/unit.ts
@@ -3,7 +3,7 @@
  * Type system for physical units.
  */
 
-import { Brand } from 'devtypes/types/base';
+import { Brand } from 'devtypes/types/util';
 
 /** Metric systems */
 export const MetricSystem = [ 'metric', 'imperial', 'us', 'custom', 'unknown' ] as const;
diff --git a/types/abstract/value.ts b/types/abstract/value.ts
index 6bac3b9..7ecc4da 100644
--- a/types/abstract/value.ts
+++ b/types/abstract/value.ts
@@ -3,9 +3,10 @@
  * Definitions for various types of values used in the schema.
  */
 
-import { Brand } from 'devtypes/types/base';
-import { RequireAtLeastOne, RequireExactlyOne, StrictSubset } from 'devtypes/types/constraints';
-import { Primitive } from 'devtypes/types/primitives';
+import { RequireAtLeastOne, RequireExactlyOne, StrictSubset } from 'devtypes/types/constraint';
+import { Primitive } from 'devtypes/types/primitive';
+import { Brand } from 'devtypes/types/util';
+
 import { Uncertainty } from './uncertainty';
 import { PhysicalQuantity, UnitId } from './unit';