diff --git a/docs/images/bootswatch/zephyr.png b/docs/images/bootswatch/zephyr.png
new file mode 100644
index 0000000000..da3bf738bc
Binary files /dev/null and b/docs/images/bootswatch/zephyr.png differ
diff --git a/docs/userGuide/themes.md b/docs/userGuide/themes.md
index 8734f848aa..d73f3d9ed4 100644
--- a/docs/userGuide/themes.md
+++ b/docs/userGuide/themes.md
@@ -55,7 +55,8 @@ Currently, MarkBind supports all light themes from [Bootswatch](https://bootswat
   'sketchy',
   'spacelab',
   'united',
-  'yeti'
+  'yeti',
+  'zephyr'
 ] %}
 
 <div class="container-fluid">
diff --git a/package-lock.json b/package-lock.json
index 25faa0fe9d..a803745679 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
 				"babel-jest": "^27.5.1",
 				"babel-loader": "^8.1.0",
 				"bluebird": "^3.7.2",
-				"bootswatch": "^4.4.1",
+				"bootswatch": "^5.1.3",
 				"chalk": "^3.0.0",
 				"cheerio": "^0.22.0",
 				"chokidar": "^3.3.0",
@@ -6121,9 +6121,9 @@
 			"integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
 		},
 		"node_modules/bootswatch": {
-			"version": "4.6.1",
-			"resolved": "https://registry.npmjs.org/bootswatch/-/bootswatch-4.6.1.tgz",
-			"integrity": "sha512-5vRhlIIvgZ2rH3QLHcVVa+Z+jNpn1/zEvGlJYkp4/g1LmsGY42S6IOpYyBu40RGjqqiYIjoeX/uWDdAAIYVG7A=="
+			"version": "5.1.3",
+			"resolved": "https://registry.npmjs.org/bootswatch/-/bootswatch-5.1.3.tgz",
+			"integrity": "sha512-NmZFN6rOCoXWQ/PkzmD8FFWDe24kocX9OXWHNVaLxVVnpqpAzEbMFsf8bAfKwVtpNXibasZCzv09B5fLieAh2g=="
 		},
 		"node_modules/brace-expansion": {
 			"version": "1.1.11",
@@ -29502,9 +29502,9 @@
 			"integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
 		},
 		"bootswatch": {
-			"version": "4.6.1",
-			"resolved": "https://registry.npmjs.org/bootswatch/-/bootswatch-4.6.1.tgz",
-			"integrity": "sha512-5vRhlIIvgZ2rH3QLHcVVa+Z+jNpn1/zEvGlJYkp4/g1LmsGY42S6IOpYyBu40RGjqqiYIjoeX/uWDdAAIYVG7A=="
+			"version": "5.1.3",
+			"resolved": "https://registry.npmjs.org/bootswatch/-/bootswatch-5.1.3.tgz",
+			"integrity": "sha512-NmZFN6rOCoXWQ/PkzmD8FFWDe24kocX9OXWHNVaLxVVnpqpAzEbMFsf8bAfKwVtpNXibasZCzv09B5fLieAh2g=="
 		},
 		"brace-expansion": {
 			"version": "1.1.11",
diff --git a/packages/core/package.json b/packages/core/package.json
index 55daee2afc..5c25af2bc9 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -29,7 +29,7 @@
     "@primer/octicons": "^15.0.1",
     "@sindresorhus/slugify": "^0.9.1",
     "bluebird": "^3.7.2",
-    "bootswatch": "^4.4.1",
+    "bootswatch": "^5.1.3",
     "cheerio": "^0.22.0",
     "crypto-js": "^4.0.0",
     "csv-parse": "^4.14.2",
diff --git a/packages/core/src/Site/index.js b/packages/core/src/Site/index.js
index ba116658db..bb6918689c 100644
--- a/packages/core/src/Site/index.js
+++ b/packages/core/src/Site/index.js
@@ -93,6 +93,7 @@ const SUPPORTED_THEMES_PATHS = {
   'bootswatch-spacelab': getBootswatchThemePath('spacelab'),
   'bootswatch-united': getBootswatchThemePath('united'),
   'bootswatch-yeti': getBootswatchThemePath('yeti'),
+  'bootswatch-zephyr': getBootswatchThemePath('zephyr'),
 };
 
 const HIGHLIGHT_ASSETS = {