diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07666ff0..b07eaa39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `mdbook@latest` to 0.4.45.
+
 ## [2.48.13] - 2025-02-16
 
 - Support `zola` on AArch64 Linux.
diff --git a/manifests/mdbook.json b/manifests/mdbook.json
index b000b7d1..5774dcfe 100644
--- a/manifests/mdbook.json
+++ b/manifests/mdbook.json
@@ -22,10 +22,32 @@
   },
   "license_markdown": "[MPL-2.0](https://github.com/rust-lang/mdBook/blob/master/LICENSE)",
   "latest": {
-    "version": "0.4.44"
+    "version": "0.4.45"
   },
   "0.4": {
-    "version": "0.4.44"
+    "version": "0.4.45"
+  },
+  "0.4.45": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DD4F82D422F91C",
+      "checksum": "1b7ff6c18d20f367d97978d82273b5a5b343ef8e2300118c7d7f13d780619609"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DD4F82D91DE44D",
+      "checksum": "085256959b89a90d476203720e3a9527f49509158f4afd218a532525711164d5"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DD4F832D86EFB3",
+      "checksum": "ee9025ac339ce151bfb3a9dbfc7bce55580e84b2bcbc02a45a8dcca57dbd8a10"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DD4F82E1F83EAC",
+      "checksum": "8de76e084888803af4b2b710ac8e874107bbd5686f59323776defb8faa837818"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DD4F82D89B8B35",
+      "checksum": "7e0368004c6e16c176f74498cc348717578c747759460b6082b62fb184e4f417"
+    }
   },
   "0.4.44": {
     "x86_64_linux_musl": {