diff --git a/_data/navigation.yml b/_data/navigation.yml
index 88342b6..e766134 100644
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -10,5 +10,5 @@
   link: /glossary
 - name: About
   link: /about
-#- name: Carbon Estimator
-#  link: /estimator
+- name: Carbon Estimator
+  link: /estimator
diff --git a/package-lock.json b/package-lock.json
index 7993a95..faddc15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,7 +5,7 @@
   "packages": {
     "": {
       "devDependencies": {
-        "@scottlogic/tech-carbon-estimator": "^0.0.2",
+        "@scottlogic/tech-carbon-estimator": "^0.0.4",
         "@tailwindcss/typography": "^0.5.10",
         "autoprefixer": "^10.4.17",
         "cssnano": "^6.0.3",
@@ -313,9 +313,9 @@
       }
     },
     "node_modules/@scottlogic/tech-carbon-estimator": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/@scottlogic/tech-carbon-estimator/-/tech-carbon-estimator-0.0.2.tgz",
-      "integrity": "sha512-wQ/48UTiyLyaaZEh7L/mN6eTeBjhBWu3PRb/xc7y70pXVFBofVDsvWvCAQ6azug91jwzKkvm2PnTAhOi/kPt4g==",
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/@scottlogic/tech-carbon-estimator/-/tech-carbon-estimator-0.0.4.tgz",
+      "integrity": "sha512-qKNSqBh0VSNsqXM+TGnRiXSlaBaE1sudv/5552T9T8ykWIhoh+Gj/yC0ackKlIuRlihYHiYFMinR51EoLJdgeQ==",
       "dev": true,
       "dependencies": {
         "@angular/animations": "^17.2.0",
diff --git a/package.json b/package.json
index 586800b..bafa109 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,6 @@
     "postcss": "^8.4.33",
     "postcss-cli": "^11.0.0",
     "tailwindcss": "^3.4.1",
-    "@scottlogic/tech-carbon-estimator": "^0.0.2"
+    "@scottlogic/tech-carbon-estimator": "^0.0.4"
   }
 }