diff --git a/.gitignore b/.gitignore
index 150513c..45603de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ lib
 .nyc_output
 coverage
 .shxrc.json
+package-lock.json
 
 # Linux
 *~
diff --git a/.npmrc b/.npmrc
deleted file mode 100644
index 2be0a0a..0000000
--- a/.npmrc
+++ /dev/null
@@ -1,3 +0,0 @@
-# We can't use lockfiles because npm@5 and npm@6 disagree about the syntax (and
-# will modify the lockfile when we run `npm install`).
-package-lock=false
diff --git a/package.json b/package.json
index 20f5190..3327811 100644
--- a/package.json
+++ b/package.json
@@ -64,15 +64,15 @@
     "mocha": "^6.1.4",
     "nyc": "^14.1.1",
     "rimraf": "^2.5.2",
-    "shelljs-changelog": "^0.2.0",
-    "shelljs-plugin-open": "^0.2.0",
-    "shelljs-release": "^0.3.0",
+    "shelljs-changelog": "^0.2.6",
+    "shelljs-plugin-open": "^0.2.1",
+    "shelljs-release": "^0.5.1",
     "should": "^13.2.3",
     "watch": "^1.0.2"
   },
   "dependencies": {
     "minimist": "^1.2.3",
-    "shelljs": "^0.8.4"
+    "shelljs": "^0.8.5"
   },
   "engines": {
     "node": ">=8"