diff --git a/meta/recipes-gnome/libxmlb/libxmlb/0001-xb-selftest.c-hardcode-G_TEST_SRCDIR.patch b/meta/recipes-gnome/libxmlb/libxmlb/0001-xb-selftest.c-hardcode-G_TEST_SRCDIR.patch
index 27081d8749..e37c3245e0 100644
--- a/meta/recipes-gnome/libxmlb/libxmlb/0001-xb-selftest.c-hardcode-G_TEST_SRCDIR.patch
+++ b/meta/recipes-gnome/libxmlb/libxmlb/0001-xb-selftest.c-hardcode-G_TEST_SRCDIR.patch
@@ -1,4 +1,4 @@
-From 8a1aa4c318b8dbe4c0c2b1c4968f867ea6641b32 Mon Sep 17 00:00:00 2001
+From b2dc47ed498d69ecac05b68abddefc7ca65983c3 Mon Sep 17 00:00:00 2001
 From: Markus Volk <f_l_k@t-online.de>
 Date: Sat, 16 Sep 2023 14:02:57 +0200
 Subject: [PATCH] xb-self-test.c: hardcode G_TEST_SRCDIR
@@ -18,10 +18,10 @@ Signed-off-by: Markus Volk <f_l_k@t-online.de>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/src/xb-self-test.c b/src/xb-self-test.c
-index 1daca18..2e5b251 100644
+index baba19e..7da3b6f 100644
 --- a/src/xb-self-test.c
 +++ b/src/xb-self-test.c
-@@ -2876,7 +2876,7 @@ xb_speed_func(void)
+@@ -2882,7 +2882,7 @@ xb_speed_func(void)
  int
  main(int argc, char **argv)
  {
diff --git a/meta/recipes-gnome/libxmlb/libxmlb_0.3.19.bb b/meta/recipes-gnome/libxmlb/libxmlb_0.3.21.bb
similarity index 93%
rename from meta/recipes-gnome/libxmlb/libxmlb_0.3.19.bb
rename to meta/recipes-gnome/libxmlb/libxmlb_0.3.21.bb
index de8d860d00..c78b5eeaea 100644
--- a/meta/recipes-gnome/libxmlb/libxmlb_0.3.19.bb
+++ b/meta/recipes-gnome/libxmlb/libxmlb_0.3.21.bb
@@ -8,7 +8,7 @@ SRC_URI = " \
 	file://0001-xb-selftest.c-hardcode-G_TEST_SRCDIR.patch \
 	file://run-ptest \
 "
-SRCREV = "4393955fb7c8bbcb6a2c65ff54f16c39dc165e59"
+SRCREV = "4cff6ece25f47b8fb740881387e50a00df922c57"
 S = "${WORKDIR}/git"
 
 DEPENDS = "glib-2.0 xz zstd"