diff --git a/ccan/README b/ccan/README
index 9d6e84697..4f833260e 100644
--- a/ccan/README
+++ b/ccan/README
@@ -1,3 +1,3 @@
 CCAN imported from http://ccodearchive.net.
 
-CCAN version: init-2039-g396f2fc
+CCAN version: init-2049-gc2966d1
diff --git a/ccan/ccan/short_types/test/run-endian.c b/ccan/ccan/short_types/test/run-endian.c
index 17508e11e..108e3ab7d 100644
--- a/ccan/ccan/short_types/test/run-endian.c
+++ b/ccan/ccan/short_types/test/run-endian.c
@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <err.h>
 
-int main(int argc, char *argv[])
+int main(void)
 {
 	plan_tests(6);
 
diff --git a/ccan/ccan/short_types/test/run.c b/ccan/ccan/short_types/test/run.c
index 6da3f9bc0..2bff4b78b 100644
--- a/ccan/ccan/short_types/test/run.c
+++ b/ccan/ccan/short_types/test/run.c
@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <err.h>
 
-int main(int argc, char *argv[])
+int main(void)
 {
 	plan_tests(16);