diff --git a/pkcs15-tools.md b/pkcs15-tools.md
index a0bf940..eef49e4 100644
--- a/pkcs15-tools.md
+++ b/pkcs15-tools.md
@@ -12,6 +12,10 @@ X.509 Certificate [Certificate for Card Authentication]
 $ pkcs15-tool --read-certificate 04
 ```
 
+```shell
+pkcs15-tool --list-public-keys
+```
+
 <br>
 
 # Reference