diff --git a/experiments/guess-static-sites/package-lock.json b/experiments/guess-static-sites/package-lock.json
index 3ca846fd..91109a59 100644
--- a/experiments/guess-static-sites/package-lock.json
+++ b/experiments/guess-static-sites/package-lock.json
@@ -1158,9 +1158,9 @@
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+      "resolved": "https://registry.npmjs.org/babel-plugin-minify-dead-code-elimination/-/babel-plugin-minify-dead-code-elimination-0.5.2.tgz",
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -1627,25 +1627,25 @@
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-      "resolved": "https://registry.npmjs.org/babel-preset-minify/-/babel-preset-minify-0.5.1.tgz",
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         "babel-plugin-minify-constant-folding": "^0.5.0",
-        "babel-plugin-minify-dead-code-elimination": "^0.5.1",
+        "babel-plugin-minify-dead-code-elimination": "^0.5.2",
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         "babel-plugin-minify-guarded-expressions": "^0.4.4",
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-        "babel-plugin-minify-mangle-names": "^0.5.0",
+        "babel-plugin-minify-mangle-names": "^0.5.1",
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         "babel-plugin-minify-replace": "^0.5.0",
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         "babel-plugin-minify-type-constructors": "^0.4.3",
         "babel-plugin-transform-inline-consecutive-adds": "^0.4.3",
         "babel-plugin-transform-member-expression-literals": "^6.9.4",
-        "babel-plugin-transform-merge-sibling-variables": "^6.9.4",
+        "babel-plugin-transform-merge-sibling-variables": "^6.9.5",
         "babel-plugin-transform-minify-booleans": "^6.9.4",
         "babel-plugin-transform-property-literals": "^6.9.4",
         "babel-plugin-transform-regexp-constructors": "^0.4.3",
@@ -1657,10 +1657,25 @@
         "lodash": "^4.17.11"
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+        "babel-plugin-minify-mangle-names": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/babel-plugin-minify-mangle-names/-/babel-plugin-minify-mangle-names-0.5.1.tgz",
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+          "dev": true,
+          "requires": {
+            "babel-helper-mark-eval-scopes": "^0.4.3"
+          }
+        },
+        "babel-plugin-transform-merge-sibling-variables": {
+          "version": "6.9.5",
+          "resolved": "https://registry.npmjs.org/babel-plugin-transform-merge-sibling-variables/-/babel-plugin-transform-merge-sibling-variables-6.9.5.tgz",
+          "integrity": "sha512-xj/KrWi6/uP+DrD844h66Qh2cZN++iugEIgH8QcIxhmZZPNP6VpOE9b4gP2FFW39xDAY43kCmYMM6U0QNKN8fw==",
+          "dev": true
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
           "dev": true
         }
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diff --git a/experiments/guess-static-sites/package.json b/experiments/guess-static-sites/package.json
index 5467fbbe..203db10d 100644
--- a/experiments/guess-static-sites/package.json
+++ b/experiments/guess-static-sites/package.json
@@ -23,7 +23,7 @@
     "babel-cli": "6.26.0",
     "babel-minify": "0.5.1",
     "babel-preset-es2015": "6.24.1",
-    "babel-preset-minify": "0.5.1",
+    "babel-preset-minify": "0.5.2",
     "chai": "4.3.0",
     "cors": "2.8.5",
     "http-server": "0.12.1",