diff --git a/package-lock.json b/package-lock.json
index 631e2b336..5175794ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,14 +17,14 @@
       "devDependencies": {
         "@frctl/fractal": "^1.5.13",
         "@frctl/mandelbrot": "^1.10.1",
-        "@frctl/nunjucks": "latest",
+        "@frctl/nunjucks": "*",
         "babel-core": "^6.26.0",
         "babel-plugin-transform-class-properties": "^6.24.1",
-        "babel-preset-es2015": "latest",
+        "babel-preset-es2015": "*",
         "babelify": "^8.0.0",
-        "boom": "latest",
+        "boom": "*",
         "browserify": "^16.2.2",
-        "cryptiles": "latest",
+        "cryptiles": "*",
         "del": "^3.0.0",
         "eslint": "^4.18.2",
         "eslint-config-airbnb-base": "^11.3.2",
@@ -8978,9 +8978,9 @@
       }
     },
     "node_modules/http-cache-semantics": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
-      "integrity": "sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.1.tgz",
+      "integrity": "sha512-er295DKPVsV82j5kw1Gjt+ADA/XYHsajl82cGNQG2eyoPkvgUhX+nDIyelzhIWbbsXP39EHcI6l5tYs2FYqYXQ==",
       "dev": true
     },
     "node_modules/http-errors": {
@@ -25629,9 +25629,9 @@
       }
     },
     "http-cache-semantics": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.0.tgz",
-      "integrity": "sha512-carPklcUh7ROWRK7Cv27RPtdhYhUsela/ue5/jKzjegVvXDqM2ILE9Q2BGn9JZJh1g87cp56su/FgQSzcWS8cQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.1.tgz",
+      "integrity": "sha512-er295DKPVsV82j5kw1Gjt+ADA/XYHsajl82cGNQG2eyoPkvgUhX+nDIyelzhIWbbsXP39EHcI6l5tYs2FYqYXQ==",
       "dev": true
     },
     "http-errors": {