diff --git a/keys/Makefile b/keys/Makefile
index 11e6b0a..a040935 100644
--- a/keys/Makefile
+++ b/keys/Makefile
@@ -3,6 +3,12 @@ trustedkeys.kbx:
 	  gpg --no-default-keyring --no-options --trust-model=always \
 	      --keyring ${PWD}/trustedkeys.kbx \
 	      --import -
+
+list:
+	gpg --no-default-keyring --trust-model=always \
+		--keyring ${PWD}/trustedkeys.kbx \
+		--list-keys
+
 clean:
 	rm trustedkeys.kbx