diff --git a/CHANGELOG.md b/CHANGELOG.md
index df017640..98a6b84b 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 1.55.1.
+
 - Update `biome@latest` to 2.5.2.
 
 ## [2.82.7] - 2026-06-30
diff --git a/manifests/just.json b/manifests/just.json
index 59da7ff3..fe609b45 100644
--- a/manifests/just.json
+++ b/manifests/just.json
@@ -21,10 +21,13 @@
     }
   },
   "latest": {
-    "version": "1.54.0"
+    "version": "1.55.1"
   },
   "1": {
-    "version": "1.54.0"
+    "version": "1.55.1"
+  },
+  "1.55": {
+    "version": "1.55.1"
   },
   "1.55.1": {
     "x86_64_linux_musl": {