diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45ca5e9e..53347875 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-mermaid-ssr@latest` to 0.3.0.
+
 ## [2.65.16] - 2026-01-10
 
 - Update `zola@latest` to 0.22.0.
diff --git a/manifests/mdbook-mermaid-ssr.json b/manifests/mdbook-mermaid-ssr.json
index 3a2d3089..89bbaf0d 100644
--- a/manifests/mdbook-mermaid-ssr.json
+++ b/manifests/mdbook-mermaid-ssr.json
@@ -24,7 +24,32 @@
   },
   "license_markdown": "[MPL-2.0](https://github.com/CommanderStorm/mdbook-mermaid-ssr/blob/main/LICENSE)",
   "latest": {
-    "version": "0.2.0"
+    "version": "0.3.0"
+  },
+  "0.3": {
+    "version": "0.3.0"
+  },
+  "0.3.0": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DE499CAE22BD7D",
+      "checksum": "9e90f0bb9d7f95c6f8f52c2f094e2507d6bcaab07cd171595dabb1a155186c98"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DE499CF3D3B677",
+      "checksum": "686a4e7355a46d130a04f0e2dfc87412d65905ac29e75a8e90090bd99b10b7ea"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DE499CB5607A8C",
+      "checksum": "7b455fb9ceb687413b97a9d1f58afd8caa9347f75bd1f7189904e8c94fbe05f0"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DE499C9A506DE4",
+      "checksum": "1eb698907586a92ec42a85b457c5c45314b9b53df679ed7ccfe9dea4ad7e0851"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DE499D08F8315D",
+      "checksum": "2973c1e8f202c63f6e3262bd1874243bf1d48427ef4dd7356666b447e0dda5b4"
+    }
   },
   "0.2": {
     "version": "0.2.0"