diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d843caf..df439753 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 1.39.0.
+
 ## [2.47.23] - 2025-01-22
 
 - Update `wasmtime@latest` to 29.0.1.
diff --git a/manifests/just.json b/manifests/just.json
index 8e01748c..0656154d 100644
--- a/manifests/just.json
+++ b/manifests/just.json
@@ -19,10 +19,35 @@
   },
   "license_markdown": "[CC0-1.0](https://github.com/casey/just/blob/master/LICENSE)",
   "latest": {
-    "version": "1.38.0"
+    "version": "1.39.0"
   },
   "1": {
-    "version": "1.38.0"
+    "version": "1.39.0"
+  },
+  "1.39": {
+    "version": "1.39.0"
+  },
+  "1.39.0": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DD3B20A92CDED8",
+      "checksum": "1c53fa85a8c021ce7b19814e1a5e1dc0aa10c04bddca75196f7ab6db6130d2cd"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DD3B20A69851F1",
+      "checksum": "6c786ac5646e643cc21e4d7d2f5da12b690a54c32d35307224db34879344ad4c"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DD3B2117A4C6AC",
+      "checksum": "b99304df08fdafaa2ea92714a0696727f7ff0cb8dd02527095aeb4419e5f6de9"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DD3B20B8C41FD7",
+      "checksum": "f1b9acdb4374983539c765d60374350932527df807b25975e05abb152c9021e7"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DD3B209ED9E867",
+      "checksum": "ab1e1fc95bc3cd11ee9ecc2c764abbd60f6d4f99dad05be78276e5487e959051"
+    }
   },
   "1.38": {
     "version": "1.38.0"