diff --git a/Cargo.lock b/Cargo.lock
index cd340cf7..e1e1bbe1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -329,9 +329,9 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "font-awesome-as-a-crate"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86afa981f309a5d0ddbcb682820e5d6066157f903d06b9fb2959707b958f6618"
+checksum = "932dcfbd51320af5f27f1ba02d2e567dec332cac7d2c221ba45d8e767264c4dc"
 
 [[package]]
 name = "form_urlencoded"
diff --git a/Cargo.toml b/Cargo.toml
index 8438dae8..d523d462 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ chrono = "0.4"
 clap = { version = "3.0", features = ["cargo"] }
 clap_complete = "3.0"
 env_logger = "0.9.0"
-font-awesome-as-a-crate = "0.2.0"
+font-awesome-as-a-crate = "0.3.0"
 handlebars = "4.0"
 lazy_static = "1.0"
 log = "0.4"
diff --git a/guide/src/guide/reading.md b/guide/src/guide/reading.md
index cab3a865..5ee07b92 100644
--- a/guide/src/guide/reading.md
+++ b/guide/src/guide/reading.md
@@ -30,12 +30,12 @@ The icons displayed will depend on the settings of how the book was generated.
 
 | Icon | Description |
 |------|-------------|
-| <i class="fa fa-bars"></i> | Opens and closes the chapter listing sidebar. |
-| <i class="fa fa-paint-brush"></i> | Opens a picker to choose a different color theme. |
-| <i class="fa fa-search"></i> | Opens a search bar for searching within the book. |
-| <i class="fa fa-print"></i> | Instructs the web browser to print the entire book. |
-| <i class="fa fa-github"></i> | Opens a link to the website that hosts the source code of the book. |
-| <i class="fa fa-edit"></i> | Opens a page to directly edit the source of the page you are currently reading. |
+| <i class="fas fa-bars"></i> | Opens and closes the chapter listing sidebar. |
+| <i class="fas fa-paintbrush"></i> | Opens a picker to choose a different color theme. |
+| <i class="fas fa-magnifying-glass"></i> | Opens a search bar for searching within the book. |
+| <i class="fas fa-print"></i> | Instructs the web browser to print the entire book. |
+| <i class="fab fa-github"></i> | Opens a link to the website that hosts the source code of the book. |
+| <i class="fas fa-pencil"></i> | Opens a page to directly edit the source of the page you are currently reading. |
 
 Tapping the menu bar will scroll the page to the top.
 
@@ -59,9 +59,9 @@ Code blocks may contain several different icons for interacting with them:
 | Icon | Description |
 |------|-------------|
 | <i class="fa fa-copy"></i> | Copies the code block into your local clipboard, to allow pasting into another application. |
-| <i class="fa fa-play"></i> | For Rust code examples, this will execute the sample code and display the compiler output just below the example (see [playground]). |
+| <i class="fas fa-play"></i> | For Rust code examples, this will execute the sample code and display the compiler output just below the example (see [playground]). |
 | <i class="fa fa-eye"></i> | For Rust code examples, this will toggle visibility of "hidden" lines. Sometimes, larger examples will hide lines which are not particularly relevant to what is being illustrated (see [hiding code lines]). |
-| <i class="fa fa-history"></i> | For [editable code examples][editor], this will undo any changes you have made. |
+| <i class="fas fa-clock-rotate-left"></i> | For [editable code examples][editor], this will undo any changes you have made. |
 
 Here's an example:
 
diff --git a/src/renderer/html_handlebars/helpers/fontawesome.rs b/src/renderer/html_handlebars/helpers/fontawesome.rs
index 46967cb0..25c9b92e 100644
--- a/src/renderer/html_handlebars/helpers/fontawesome.rs
+++ b/src/renderer/html_handlebars/helpers/fontawesome.rs
@@ -1,5 +1,6 @@
 use font_awesome_as_a_crate as fa;
 use handlebars::{Context, Handlebars, Helper, Output, RenderContext, RenderError};
+use log::trace;
 use std::str::FromStr;
 
 pub fn fa_helper(
diff --git a/src/theme/book.js b/src/theme/book.js
index dca39cc7..1453fcdc 100644
--- a/src/theme/book.js
+++ b/src/theme/book.js
@@ -274,7 +274,7 @@ function playground_text(playground) {
             undoChangesButton.className = 'reset-button';
             undoChangesButton.title = 'Undo changes';
             undoChangesButton.setAttribute('aria-label', undoChangesButton.title);
-            undoChangesButton.innerHTML += document.getElementById('fa-history').innerHTML;
+            undoChangesButton.innerHTML += document.getElementById('fa-clock-rotate-left').innerHTML;
 
             buttons.insertBefore(undoChangesButton, buttons.firstChild);
 
diff --git a/src/theme/index.hbs b/src/theme/index.hbs
index f62f0027..765d06c0 100644
--- a/src/theme/index.hbs
+++ b/src/theme/index.hbs
@@ -118,7 +118,7 @@
                             {{fa "solid" "bars"}}
                         </button>
                         <button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list">
-                            {{fa "solid" "paint-brush"}}
+                            {{fa "solid" "paintbrush"}}
                         </button>
                         <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
                             <li role="none"><button role="menuitem" class="theme" id="light">{{ theme_option "Light" }}</button></li>
@@ -129,7 +129,7 @@
                         </ul>
                         {{#if search_enabled}}
                         <button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
-                            {{fa "solid" "search"}}
+                            {{fa "solid" "magnifying-glass"}}
                         </button>
                         {{/if}}
                     </div>
@@ -149,7 +149,7 @@
                         {{/if}}
                         {{#if git_repository_edit_url}}
                         <a href="{{git_repository_edit_url}}" title="Suggest an edit" aria-label="Suggest an edit">
-                            <i id="git-edit-button" class="fa fa-edit"></i>
+                            {{fa "solid" "pencil" "git-edit-button"}}
                         </a>
                         {{/if}}
 
@@ -222,7 +222,7 @@
         <template id=fa-eye-slash>{{fa "solid" "eye-slash"}}</template>
         <template id=fa-copy>{{fa "regular" "copy"}}</template>
         <template id=fa-play>{{fa "solid" "play"}}</template>
-        <template id=fa-history>{{fa "solid" "history"}}</template>
+        <template id=fa-clock-rotate-left>{{fa "solid" "clock-rotate-left"}}</template>
 
         {{#if live_reload_endpoint}}
         <!-- Livereload script (if served using the cli tool) -->