diff --git a/package.json b/package.json
index f8a7be1bc79..7fb6c45cad5 100644
--- a/package.json
+++ b/package.json
@@ -83,6 +83,7 @@
     "gl-select-box": "^1.0.1",
     "gl-spikes2d": "^1.0.1",
     "gl-surface3d": "^1.3.3",
+    "glslify": "^6.1.0",
     "has-hover": "^1.0.1",
     "kdgrass": "^1.0.1",
     "mapbox-gl": "^0.22.0",
@@ -123,7 +124,6 @@
     "fs-extra": "^2.0.0",
     "fuse.js": "^2.6.1",
     "glob": "^7.0.0",
-    "glslify": "^4.0.0",
     "gzip-size": "^3.0.0",
     "image-size": "^0.5.1",
     "into-stream": "^3.1.0",