diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 366770f4..97a948f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
         include:
           # Note: Specifying the version of valgrind and cargo-binstall is not supported.
           - os: ubuntu-20.04
-            tool: cargo-hack@0.5.24,cargo-llvm-cov@0.5.2,cargo-minimal-versions@0.1.8,parse-changelog@0.5.2,cargo-udeps@0.1.35,cargo-valgrind@2.1.0,cargo-deny@0.13.5,cross@0.2.4,nextest@0.9.11,protoc@3.21.12,shellcheck@0.9.0,shfmt@3.6.0,wasm-pack@0.10.3,wasmtime@3.0.1,mdbook@0.4.23,mdbook-linkcheck@0.7.7,cargo-watch@8.1.1
+            tool: cargo-hack@0.5.24,cargo-llvm-cov@0.5.3,cargo-minimal-versions@0.1.8,parse-changelog@0.5.2,cargo-udeps@0.1.35,cargo-valgrind@2.1.0,cargo-deny@0.13.5,cross@0.2.4,nextest@0.9.11,protoc@3.21.12,shellcheck@0.9.0,shfmt@3.6.0,wasm-pack@0.10.3,wasmtime@3.0.1,mdbook@0.4.23,mdbook-linkcheck@0.7.7,cargo-watch@8.1.1
           # Nextest supports basic version ranges as well. For other tools, this will be supported by https://github.com/taiki-e/install-action/pull/27.
           - os: ubuntu-20.04
             tool: nextest@0.9
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3c583cd..6dc3e576 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 - Update `mdbook@latest` to 0.4.23.
 - Support `mdbook` on Linux (musl).
+- Update `cargo-llvm-cov@latest` to 0.5.3.
 
 ## [1.17.0] - 2022-12-14
 
diff --git a/main.sh b/main.sh
index c80161db..8900cc73 100755
--- a/main.sh
+++ b/main.sh
@@ -292,7 +292,7 @@ for tool in "${tools[@]}"; do
                 # https://github.com/taiki-e/cargo-hack/releases
                 cargo-hack) latest_version="0.5.24" ;;
                 # https://github.com/taiki-e/cargo-llvm-cov/releases
-                cargo-llvm-cov) latest_version="0.5.2" ;;
+                cargo-llvm-cov) latest_version="0.5.3" ;;
                 # https://github.com/taiki-e/cargo-minimal-versions/releases
                 cargo-minimal-versions) latest_version="0.1.8" ;;
                 # https://github.com/taiki-e/parse-changelog/releases