diff --git a/spectra-importer/package-lock.json b/spectra-importer/package-lock.json
index 6f6694c..542a557 100644
--- a/spectra-importer/package-lock.json
+++ b/spectra-importer/package-lock.json
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-      "integrity": "sha1-RgwdoPgQED0DIam2M6+eV15kSG8="
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "requires": {
+        "isexe": "^2.0.0"
+      }
     },
     "window-size": {
       "version": "0.1.0",
diff --git a/spectra-importer/package.json b/spectra-importer/package.json
index 3023134..c8f8ea2 100644
--- a/spectra-importer/package.json
+++ b/spectra-importer/package.json
@@ -15,7 +15,7 @@
     "express": "^3.20.2",
     "extend": "^3.0.0",
     "fast-csv": "^1.0.0",
-    "grunt": "^0.4.5",
+    "grunt": "^1.5.2",
     "grunt-browserify": "~4.0.1",
     "grunt-manifest": "^0.4.0",
     "grunt-shell": "^0.7.0",