diff --git a/configure.ac b/configure.ac
index f057463..0acb110 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,7 +26,7 @@ GETTEXT_PACKAGE=powertop
 AC_SUBST([GETTEXT_PACKAGE])
 AM_SILENT_RULES([yes])
 AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION([0.18.2])
+AM_GNU_GETTEXT_VERSION([0.21.1])
 
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AX_REQUIRE_DEFINED([AX_ADD_FORTIFY_SOURCE])