diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc88574d..d8621744 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 `cargo-llvm-cov@latest` to 0.5.38.
+
 ## [2.22.1] - 2023-12-12
 
 - Update `cargo-binstall@latest` to 1.4.7.
diff --git a/manifests/cargo-llvm-cov.json b/manifests/cargo-llvm-cov.json
index 345f1b0a..6730918d 100644
--- a/manifests/cargo-llvm-cov.json
+++ b/manifests/cargo-llvm-cov.json
@@ -18,10 +18,27 @@
     }
   },
   "latest": {
-    "version": "0.5.37"
+    "version": "0.5.38"
   },
   "0.5": {
-    "version": "0.5.37"
+    "version": "0.5.38"
+  },
+  "0.5.38": {
+    "x86_64_linux_musl": {
+      "checksum": "f8820fc550b0d9e78865c0245e7a63ab5b5c88a8825d7a9bdd2e908fd4737317"
+    },
+    "x86_64_macos": {
+      "checksum": "1411bff8ac7dc0338f6d687312cf0d8a2b43623fb41692bfb1536e3fe99ea8dc"
+    },
+    "x86_64_windows": {
+      "checksum": "2b504ac7a3c01a6233dedb4ad28e9103c4de207cdf6440fdb1ef7e929cb78216"
+    },
+    "aarch64_linux_musl": {
+      "checksum": "6f359baa623e5d98099ab1978e3d5f06bab0d006735fc262056be87106e37575"
+    },
+    "aarch64_macos": {
+      "checksum": "cf32270e4e9203bfc72a85d514b16ce1f842142cb9adecb2b66e159bee61017f"
+    }
   },
   "0.5.37": {
     "x86_64_linux_musl": {