diff --git a/01/package-lock.json b/01/package-lock.json
index 87efdab..9ac32dd 100644
--- a/01/package-lock.json
+++ b/01/package-lock.json
@@ -4,17 +4,23 @@
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diff --git a/01/package.json b/01/package.json
index 0b3e3e0..94320c7 100644
--- a/01/package.json
+++ b/01/package.json
@@ -15,6 +15,6 @@
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-    "pug": "^2.0.3"
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 }
diff --git a/02/package-lock.json b/02/package-lock.json
index 6f585f8..68b3f25 100644
--- a/02/package-lock.json
+++ b/02/package-lock.json
@@ -4,17 +4,23 @@
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+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.16.7.tgz",
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+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.17.12.tgz",
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+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.17.12.tgz",
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-      "requires": {
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-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
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+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
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@@ -69,37 +50,25 @@
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-      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
-      "requires": {
-        "core-js": "^2.4.0",
-        "regenerator-runtime": "^0.11.0"
-      }
+    "assert-never": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/assert-never/-/assert-never-1.2.1.tgz",
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-      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
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-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
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-      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
+    "call-bind": {
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
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-        "lazy-cache": "^1.0.3"
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+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-4.0.1.tgz",
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-        "@types/babylon": "^6.16.2",
-        "babel-types": "^6.26.0",
-        "babylon": "^6.18.0"
+        "@babel/parser": "^7.6.0",
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@@ -289,11 +233,6 @@
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@@ -356,11 +290,6 @@
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+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.1.tgz",
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+        "has": "^1.0.3",
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@@ -440,6 +379,19 @@
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+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.9.0.tgz",
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-      "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
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-      "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o="
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.2.2.tgz",
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-      "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
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diff --git a/02/package.json b/02/package.json
index 0b8c78f..a44835e 100644
--- a/02/package.json
+++ b/02/package.json
@@ -13,6 +13,6 @@
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 }
diff --git a/03/package-lock.json b/03/package-lock.json
index 6f585f8..68b3f25 100644
--- a/03/package-lock.json
+++ b/03/package-lock.json
@@ -4,17 +4,23 @@
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diff --git a/03/package.json b/03/package.json
index 0b8c78f..a44835e 100644
--- a/03/package.json
+++ b/03/package.json
@@ -13,6 +13,6 @@
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 }
diff --git a/04-05/package-lock.json b/04-05/package-lock.json
index be5749a..9abe173 100644
--- a/04-05/package-lock.json
+++ b/04-05/package-lock.json
@@ -4,17 +4,23 @@
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 }
diff --git a/04-05/package.json b/04-05/package.json
index dcbec23..27e677d 100644
--- a/04-05/package.json
+++ b/04-05/package.json
@@ -14,6 +14,6 @@
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 }