diff --git a/modules/ng2-dragula/package.json b/modules/ng2-dragula/package.json
index 04418483..e182f0f3 100644
--- a/modules/ng2-dragula/package.json
+++ b/modules/ng2-dragula/package.json
@@ -36,7 +36,8 @@
     "watch": "chokidar 'src/**/*.ts' 'src/**/*.html' 'src/**/*.scss' -c 'yarn build'"
   },
   "dependencies": {
-    "dragula": "^3.7.2"
+    "dragula": "^3.7.2",
+    "@types/dragula": "^2.1.33"
   },
   "peerDependencies": {
     "@angular/core": ">=6.0.0",
@@ -50,7 +51,6 @@
     "@angular/core": "^6.0.4",
     "@angular/language-service": "^6.0.4",
     "@compodoc/compodoc": "^1.1.3",
-    "@types/dragula": "2.1.29",
     "@types/jasmine": "~2.8.6",
     "@types/jasminewd2": "~2.0.3",
     "@types/node": "~10.5.0",
diff --git a/modules/ng2-dragula/src/DragulaOptions.ts b/modules/ng2-dragula/src/DragulaOptions.ts
index 3a4574e2..4c959acb 100644
--- a/modules/ng2-dragula/src/DragulaOptions.ts
+++ b/modules/ng2-dragula/src/DragulaOptions.ts
@@ -1,29 +1,14 @@
-// import { DragulaOptions as OriginalOptions } from 'dragula';
+import { DragulaOptions as OriginalOptions } from 'dragula';
 
-// the copy prop in @types/dragula are just booleans, which is severely limiting.
-// and it doesn't have copySortSource.
-// TODO: PR this against @types/dragula
-export interface DragulaOptions<T = any> {
+/* Use this instead of the DragulaOptions from '@types/dragula'. */
+export interface DragulaOptions<T = any> extends OriginalOptions {
 
-  // note: it's possible you could wrap DragulaOptions such that
-  // the important functions would get model data included.
-  // that wouldn't be a breaking change if you appended the args to the callbacks.
-
-  /* from @types/dragula */
-  containers?: Element[];
-  isContainer?: (el?: Element) => boolean;
-  moves?: (el?: Element, container?: Element, handle?: Element) => boolean;
-  accepts?: (el?: Element, target?: Element, source?: Element, sibling?: Element) => boolean;
-  invalid?: (el?: Element, target?: Element) => boolean;
-  direction?: string;
-  revertOnSpill?: boolean;
-  removeOnSpill?: boolean;
-  delay?: boolean | number;
-  mirrorContainer?: Element;
-
-  /* modifications */
-  copy?: boolean | ((el: Element, source: Element) => boolean);
   copySortSource?: boolean | ((el: Element, source: Element) => boolean);
 
+  /** You must provide this if you are using `copy` with `[dragulaModel]`. It
+   *  is responsible for cloning a model item. Your implementation should
+   *  ensure `x !== copyItem(x)` -- so you must create a *new* object.
+   **/
   copyItem?: (item: T) => T;
+
 }
diff --git a/yarn.lock b/yarn.lock
index 6ed07a94..6cf810eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -266,9 +266,9 @@
     semver "^5.3.0"
     semver-intersect "^1.1.2"
 
-"@types/dragula@2.1.29":
-  version "2.1.29"
-  resolved "https://registry.yarnpkg.com/@types/dragula/-/dragula-2.1.29.tgz#77d688c03b77c654f9754474165fe7d17bb4373b"
+"@types/dragula@^2.1.33":
+  version "2.1.33"
+  resolved "https://registry.yarnpkg.com/@types/dragula/-/dragula-2.1.33.tgz#63a694bd8a5fb7bfa570778a12a069be98462919"
 
 "@types/estree@0.0.39":
   version "0.0.39"