1 files changed, 1 insertions, 1 deletions
diff --git a/common.m4 b/common.m4
index c9299e1..87f31fd 100644
--- a/common.m4
+++ b/common.m4
@@ -1,4 +1,4 @@
 define(`EXEC',`translit(esyscmd($1),`
 ')')dnl
-define(`TIMESTAMP',EXEC(`date'))dnl
+define(`TIMESTAMP',EXEC(`date --utc --rfc-3339=seconds'))dnl
 define(`VERSION',EXEC(`git describe --tags'))dnl