diff --git a/.gitconfig b/.gitconfig
index 2ff1666..ea26620 100644
--- a/.gitconfig
+++ b/.gitconfig
@@ -1,6 +1,9 @@
 [user]
 	name = ai
 	email = ai@syui.ai
+	signingkey = F33093BEA3A4BEA4521901A17CBAC5071C3EB395
+[commit]
+	gpgsign = true
 [core]
 	editor = vim
 [pull]