diff --git a/CHANGELOG.md b/CHANGELOG.md
index 320968de..255dbdf0 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 `just@latest` to 1.49.0.
+
 - Update `mise@latest` to 2026.4.4.
 
 - Support `cargo-deb`. ([#1669](https://github.com/taiki-e/install-action/pull/1669))
diff --git a/manifests/just.json b/manifests/just.json
index b037f5eb..b598aaf6 100644
--- a/manifests/just.json
+++ b/manifests/just.json
@@ -22,10 +22,13 @@
   },
   "license_markdown": "[CC0-1.0](https://github.com/casey/just/blob/master/LICENSE)",
   "latest": {
-    "version": "1.48.1"
+    "version": "1.49.0"
   },
   "1": {
-    "version": "1.48.1"
+    "version": "1.49.0"
+  },
+  "1.49": {
+    "version": "1.49.0"
   },
   "1.49.0": {
     "x86_64_linux_musl": {