diff --git a/docs/2023-06-25-useful-tools.html b/docs/2023-06-25-useful-tools.html
index 908eab6..0cd1328 100644
--- a/docs/2023-06-25-useful-tools.html
+++ b/docs/2023-06-25-useful-tools.html
@@ -493,6 +493,11 @@
           >https://github.com/burntsushi/toml</a
         >
       </li>
+      <li>
+        <a href="https://github.com/koalaman/shellcheck"
+          >https://github.com/koalaman/shellcheck</a
+        >
+      </li>
       <li>
         <a href="https://github.com/bojand/ghz"
           >https://github.com/bojand/ghz</a
diff --git a/posts/2023-06-25-useful-tools.md b/posts/2023-06-25-useful-tools.md
index 897621b..cb59939 100644
--- a/posts/2023-06-25-useful-tools.md
+++ b/posts/2023-06-25-useful-tools.md
@@ -121,6 +121,7 @@ Memory
 - https://github.com/gitleaks/gitleaks
 - https://github.com/tailscale/golink
 - https://github.com/burntsushi/toml
+- https://github.com/koalaman/shellcheck
 - https://github.com/bojand/ghz
 - https://github.com/sharkdp/hyperfine
 - https://github.com/boyter/cs