diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46286235..bcd5ea60 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 1.34.0.
+
 ## [2.42.15] - 2024-08-02
 
 - Update `cargo-deny@latest` to 0.16.0.
diff --git a/manifests/just.json b/manifests/just.json
index 238a9c32..547682b4 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": "1.33.0"
+    "version": "1.34.0"
   },
   "1": {
-    "version": "1.33.0"
+    "version": "1.34.0"
+  },
+  "1.34": {
+    "version": "1.34.0"
+  },
+  "1.34.0": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DCB33579D69A8D",
+      "checksum": "42df46f7ce727bdb2c3b5357017d885bd2033e8dbb154ca8e8f229e75093aeca"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DCB335950127EB",
+      "checksum": "1f5eea49f34c61c0e55a12feab1af7f033fbdead8c0b81ddeeb282beb1dc7efa"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DCB335D882654C",
+      "checksum": "02fbdfbf30c6289ec09c2296bf95f284737a2f976baf7123ab03e7275c723913"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DCB3358042374F",
+      "checksum": "6a86cc20be1c58b3a613d6daf9da922adc9dcfb578c0f2c73f0cff352aa14137"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DCB3357CEF511D",
+      "checksum": "9477b2413ba26928642c4fcbeba4e8a427a50bde4d7cc0dde4caaf661a8585ef"
+    }
   },
   "1.33": {
     "version": "1.33.0"