diff --git a/Makefile b/Makefile
index e39be18..a258f64 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ CGIT_SCRIPT_PATH = /var/www/htdocs/cgit
 CGIT_CONFIG = /etc/cgitrc
 CACHE_ROOT = /var/cache/cgit
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 1.5.3.8
+GIT_VER = 1.5.4.rc4
 GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 
 #
diff --git a/git b/git
index aadd4ef..ce33288 160000
--- a/git
+++ b/git
@@ -1 +1 @@
-Subproject commit aadd4efa715f56e0eac5ac459c8ff4933b56d4ce
+Subproject commit ce33288ea6b81a2f4f5aecd72177bcc8174562ae
diff --git a/shared.c b/shared.c
index bf0581f..f063894 100644
--- a/shared.c
+++ b/shared.c
@@ -492,7 +492,7 @@ void cgit_diff_tree(const unsigned char *old_sha1,
 	opt.output_format = DIFF_FORMAT_CALLBACK;
 	opt.detect_rename = 1;
 	opt.rename_limit = cgit_renamelimit;
-	opt.recursive = 1;
+	DIFF_OPT_SET(&opt, RECURSIVE);
 	opt.format_callback = cgit_diff_tree_cb;
 	opt.format_callback_data = fn;
 	if (prefix) {