diff --git a/advanced/part5/README.md b/advanced/part8/README.md
similarity index 75%
rename from advanced/part5/README.md
rename to advanced/part8/README.md
index d144aa9..8d01e40 100644
--- a/advanced/part5/README.md
+++ b/advanced/part8/README.md
@@ -1,6 +1,6 @@
-# Part 5
+# Part 8
 
-To build everything, `cd` into this `part5/` directory and run:
+To build everything, `cd` into this `part8/` directory and run:
 
 ```shell
 elm make src/Main.elm --output=../server/public/elm.js
diff --git a/advanced/part5/assets/icons/android-chrome-192x192.png b/advanced/part8/assets/icons/android-chrome-192x192.png
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rename from advanced/part5/assets/icons/android-chrome-192x192.png
rename to advanced/part8/assets/icons/android-chrome-192x192.png
diff --git a/advanced/part5/assets/icons/android-chrome-512x512.png b/advanced/part8/assets/icons/android-chrome-512x512.png
similarity index 100%
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rename to advanced/part8/assets/icons/android-chrome-512x512.png
diff --git a/advanced/part5/assets/icons/apple-touch-icon.png b/advanced/part8/assets/icons/apple-touch-icon.png
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rename from advanced/part5/assets/icons/apple-touch-icon.png
rename to advanced/part8/assets/icons/apple-touch-icon.png
diff --git a/advanced/part5/assets/icons/browserconfig.xml b/advanced/part8/assets/icons/browserconfig.xml
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rename from advanced/part5/assets/icons/browserconfig.xml
rename to advanced/part8/assets/icons/browserconfig.xml
diff --git a/advanced/part5/assets/icons/favicon-16x16.png b/advanced/part8/assets/icons/favicon-16x16.png
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rename from advanced/part5/assets/icons/favicon-16x16.png
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diff --git a/advanced/part5/assets/icons/favicon-32x32.png b/advanced/part8/assets/icons/favicon-32x32.png
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rename to advanced/part8/assets/icons/favicon-32x32.png
diff --git a/advanced/part5/assets/icons/favicon.ico b/advanced/part8/assets/icons/favicon.ico
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rename from advanced/part5/assets/icons/favicon.ico
rename to advanced/part8/assets/icons/favicon.ico
diff --git a/advanced/part5/assets/icons/mstile-144x144.png b/advanced/part8/assets/icons/mstile-144x144.png
similarity index 100%
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rename to advanced/part8/assets/icons/mstile-144x144.png
diff --git a/advanced/part5/assets/icons/mstile-150x150.png b/advanced/part8/assets/icons/mstile-150x150.png
similarity index 100%
rename from advanced/part5/assets/icons/mstile-150x150.png
rename to advanced/part8/assets/icons/mstile-150x150.png
diff --git a/advanced/part5/assets/icons/mstile-310x150.png b/advanced/part8/assets/icons/mstile-310x150.png
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rename from advanced/part5/assets/icons/mstile-310x150.png
rename to advanced/part8/assets/icons/mstile-310x150.png
diff --git a/advanced/part5/assets/icons/mstile-310x310.png b/advanced/part8/assets/icons/mstile-310x310.png
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rename to advanced/part8/assets/icons/mstile-310x310.png
diff --git a/advanced/part5/assets/icons/mstile-70x70.png b/advanced/part8/assets/icons/mstile-70x70.png
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rename from advanced/part5/assets/icons/mstile-70x70.png
rename to advanced/part8/assets/icons/mstile-70x70.png
diff --git a/advanced/part5/assets/icons/safari-pinned-tab.svg b/advanced/part8/assets/icons/safari-pinned-tab.svg
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rename from advanced/part5/assets/icons/safari-pinned-tab.svg
rename to advanced/part8/assets/icons/safari-pinned-tab.svg
diff --git a/advanced/part5/assets/images/error.jpg b/advanced/part8/assets/images/error.jpg
similarity index 100%
rename from advanced/part5/assets/images/error.jpg
rename to advanced/part8/assets/images/error.jpg
diff --git a/advanced/part5/assets/site.webmanifest b/advanced/part8/assets/site.webmanifest
similarity index 100%
rename from advanced/part5/assets/site.webmanifest
rename to advanced/part8/assets/site.webmanifest
diff --git a/advanced/part5/elm-package.json b/advanced/part8/elm-package.json
similarity index 100%
rename from advanced/part5/elm-package.json
rename to advanced/part8/elm-package.json
diff --git a/advanced/part5/elm.json b/advanced/part8/elm.json
similarity index 100%
rename from advanced/part5/elm.json
rename to advanced/part8/elm.json
diff --git a/advanced/part5/src/Api.elm b/advanced/part8/src/Api.elm
similarity index 100%
rename from advanced/part5/src/Api.elm
rename to advanced/part8/src/Api.elm
diff --git a/advanced/part5/src/Article.elm b/advanced/part8/src/Article.elm
similarity index 100%
rename from advanced/part5/src/Article.elm
rename to advanced/part8/src/Article.elm
diff --git a/advanced/part5/src/Article/Body.elm b/advanced/part8/src/Article/Body.elm
similarity index 100%
rename from advanced/part5/src/Article/Body.elm
rename to advanced/part8/src/Article/Body.elm
diff --git a/advanced/part5/src/Article/Comment.elm b/advanced/part8/src/Article/Comment.elm
similarity index 100%
rename from advanced/part5/src/Article/Comment.elm
rename to advanced/part8/src/Article/Comment.elm
diff --git a/advanced/part5/src/Article/Feed.elm b/advanced/part8/src/Article/Feed.elm
similarity index 100%
rename from advanced/part5/src/Article/Feed.elm
rename to advanced/part8/src/Article/Feed.elm
diff --git a/advanced/part5/src/Article/FeedSources.elm b/advanced/part8/src/Article/FeedSources.elm
similarity index 100%
rename from advanced/part5/src/Article/FeedSources.elm
rename to advanced/part8/src/Article/FeedSources.elm
diff --git a/advanced/part5/src/Article/Slug.elm b/advanced/part8/src/Article/Slug.elm
similarity index 100%
rename from advanced/part5/src/Article/Slug.elm
rename to advanced/part8/src/Article/Slug.elm
diff --git a/advanced/part5/src/Article/Tag.elm b/advanced/part8/src/Article/Tag.elm
similarity index 100%
rename from advanced/part5/src/Article/Tag.elm
rename to advanced/part8/src/Article/Tag.elm
diff --git a/advanced/part5/src/Asset.elm b/advanced/part8/src/Asset.elm
similarity index 100%
rename from advanced/part5/src/Asset.elm
rename to advanced/part8/src/Asset.elm
diff --git a/advanced/part5/src/Author.elm b/advanced/part8/src/Author.elm
similarity index 100%
rename from advanced/part5/src/Author.elm
rename to advanced/part8/src/Author.elm
diff --git a/advanced/part5/src/Avatar.elm b/advanced/part8/src/Avatar.elm
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rename from advanced/part5/src/Avatar.elm
rename to advanced/part8/src/Avatar.elm
diff --git a/advanced/part5/src/CommentId.elm b/advanced/part8/src/CommentId.elm
similarity index 100%
rename from advanced/part5/src/CommentId.elm
rename to advanced/part8/src/CommentId.elm
diff --git a/advanced/part5/src/Email.elm b/advanced/part8/src/Email.elm
similarity index 100%
rename from advanced/part5/src/Email.elm
rename to advanced/part8/src/Email.elm
diff --git a/advanced/part5/src/Loading.elm b/advanced/part8/src/Loading.elm
similarity index 100%
rename from advanced/part5/src/Loading.elm
rename to advanced/part8/src/Loading.elm
diff --git a/advanced/part5/src/Log.elm b/advanced/part8/src/Log.elm
similarity index 100%
rename from advanced/part5/src/Log.elm
rename to advanced/part8/src/Log.elm
diff --git a/advanced/part5/src/Main.elm b/advanced/part8/src/Main.elm
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rename from advanced/part5/src/Main.elm
rename to advanced/part8/src/Main.elm
diff --git a/advanced/part5/src/Page.elm b/advanced/part8/src/Page.elm
similarity index 100%
rename from advanced/part5/src/Page.elm
rename to advanced/part8/src/Page.elm
diff --git a/advanced/part5/src/Page/Article.elm b/advanced/part8/src/Page/Article.elm
similarity index 100%
rename from advanced/part5/src/Page/Article.elm
rename to advanced/part8/src/Page/Article.elm
diff --git a/advanced/part5/src/Page/Article/Editor.elm b/advanced/part8/src/Page/Article/Editor.elm
similarity index 100%
rename from advanced/part5/src/Page/Article/Editor.elm
rename to advanced/part8/src/Page/Article/Editor.elm
diff --git a/advanced/part5/src/Page/Blank.elm b/advanced/part8/src/Page/Blank.elm
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rename from advanced/part5/src/Page/Blank.elm
rename to advanced/part8/src/Page/Blank.elm
diff --git a/advanced/part5/src/Page/Home.elm b/advanced/part8/src/Page/Home.elm
similarity index 100%
rename from advanced/part5/src/Page/Home.elm
rename to advanced/part8/src/Page/Home.elm
diff --git a/advanced/part5/src/Page/Login.elm b/advanced/part8/src/Page/Login.elm
similarity index 100%
rename from advanced/part5/src/Page/Login.elm
rename to advanced/part8/src/Page/Login.elm
diff --git a/advanced/part5/src/Page/NotFound.elm b/advanced/part8/src/Page/NotFound.elm
similarity index 100%
rename from advanced/part5/src/Page/NotFound.elm
rename to advanced/part8/src/Page/NotFound.elm
diff --git a/advanced/part5/src/Page/Profile.elm b/advanced/part8/src/Page/Profile.elm
similarity index 100%
rename from advanced/part5/src/Page/Profile.elm
rename to advanced/part8/src/Page/Profile.elm
diff --git a/advanced/part5/src/Page/Register.elm b/advanced/part8/src/Page/Register.elm
similarity index 100%
rename from advanced/part5/src/Page/Register.elm
rename to advanced/part8/src/Page/Register.elm
diff --git a/advanced/part5/src/Page/Settings.elm b/advanced/part8/src/Page/Settings.elm
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rename from advanced/part5/src/Page/Settings.elm
rename to advanced/part8/src/Page/Settings.elm
diff --git a/advanced/part5/src/PaginatedList.elm b/advanced/part8/src/PaginatedList.elm
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rename from advanced/part5/src/PaginatedList.elm
rename to advanced/part8/src/PaginatedList.elm
diff --git a/advanced/part5/src/Profile.elm b/advanced/part8/src/Profile.elm
similarity index 100%
rename from advanced/part5/src/Profile.elm
rename to advanced/part8/src/Profile.elm
diff --git a/advanced/part5/src/Route.elm b/advanced/part8/src/Route.elm
similarity index 100%
rename from advanced/part5/src/Route.elm
rename to advanced/part8/src/Route.elm
diff --git a/advanced/part5/src/Session.elm b/advanced/part8/src/Session.elm
similarity index 100%
rename from advanced/part5/src/Session.elm
rename to advanced/part8/src/Session.elm
diff --git a/advanced/part5/src/Timestamp.elm b/advanced/part8/src/Timestamp.elm
similarity index 100%
rename from advanced/part5/src/Timestamp.elm
rename to advanced/part8/src/Timestamp.elm
diff --git a/advanced/part5/src/Username.elm b/advanced/part8/src/Username.elm
similarity index 100%
rename from advanced/part5/src/Username.elm
rename to advanced/part8/src/Username.elm
diff --git a/advanced/part5/src/Viewer.elm b/advanced/part8/src/Viewer.elm
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rename from advanced/part5/src/Viewer.elm
rename to advanced/part8/src/Viewer.elm
diff --git a/advanced/part5/src/Viewer/Cred.elm b/advanced/part8/src/Viewer/Cred.elm
similarity index 100%
rename from advanced/part5/src/Viewer/Cred.elm
rename to advanced/part8/src/Viewer/Cred.elm