diff --git a/dot_gitconfig b/dot_gitconfig
index fb19513..dce38bd 100644
--- a/dot_gitconfig
+++ b/dot_gitconfig
@@ -1,6 +1,7 @@
 [user]
 	name = Jan Eitzinger
 	email = jan@moebiusband.org
+	signingkey = 3F43A175
 [pull]
 	rebase = false
 [filter "lfs"]
@@ -8,3 +9,5 @@
 	smudge = git-lfs smudge -- %f
 	process = git-lfs filter-process
 	required = true
+[commit]
+	gpgsign = true