diff --git a/package.json b/package.json
index ef44171..b7228df 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "ml-matrix": "^1.1.5",
     "ml-naivebayes": "^1.0.1",
     "ml-pad-array": "^1.0.0",
-    "ml-pca": "^1.1.0",
+    "ml-pca": "^1.1.1",
     "ml-performance": "^0.2.0",
     "ml-pls": "0.1.0",
     "ml-regression": "^2.0.0",