diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24292f9b..e597b4f9 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 `tombi@latest` to 1.4.0.
+
 - Update `mdbook-mermaid@latest` to 0.17.1.
 
 - Update `cargo-xwin@latest` to 0.23.1.
diff --git a/manifests/tombi.json b/manifests/tombi.json
index 593dcf32..f3deac6e 100644
--- a/manifests/tombi.json
+++ b/manifests/tombi.json
@@ -2,10 +2,13 @@
   "rust_crate": null,
   "template": null,
   "latest": {
-    "version": "1.3.3"
+    "version": "1.4.0"
   },
   "1": {
-    "version": "1.3.3"
+    "version": "1.4.0"
+  },
+  "1.4": {
+    "version": "1.4.0"
   },
   "1.4.0": {
     "x86_64_linux_musl": {
@@ -44,7 +47,7 @@
     }
   },
   "1.3": {
-    "version": "1.3.3"
+    "version": "1.3.5"
   },
   "1.3.5": {
     "x86_64_linux_musl": {