diff --git a/package.json b/package.json
index 1e01039ce..0a58e873f 100644
--- a/package.json
+++ b/package.json
@@ -83,11 +83,11 @@
     "foreground-child": "^1.5.3",
     "glob": "^7.0.6",
     "istanbul-lib-coverage": "^1.0.1",
-    "istanbul-lib-hook": "^1.0.0",
-    "istanbul-lib-instrument": "^1.4.2",
+    "istanbul-lib-hook": "^1.0.4",
+    "istanbul-lib-instrument": "^1.6.1",
     "istanbul-lib-report": "^1.0.0-alpha.3",
     "istanbul-lib-source-maps": "^1.1.0",
-    "istanbul-reports": "^1.0.0",
+    "istanbul-reports": "^1.0.1",
     "md5-hex": "^1.2.0",
     "merge-source-map": "^1.0.2",
     "micromatch": "^2.3.11",