diff --git a/.gitmodules b/.gitmodules
index 25142daddc6..8f3c5d855fd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -20,7 +20,7 @@
 [submodule "gdb"]
 	path = gdb
 	url = https://sourceware.org/git/binutils-gdb.git
-	branch = gdb-14-branch
+	branch = gdb-15-branch
 [submodule "qemu"]
 	path = qemu
 	url = https://gitlab.com/qemu-project/qemu.git
diff --git a/gdb b/gdb
index 02c10eaecb6..7b20890ad61 160000
--- a/gdb
+++ b/gdb
@@ -1 +1 @@
-Subproject commit 02c10eaecb63e5dbb99cbfdd1c5385e53ed031ff
+Subproject commit 7b20890ad616baf811c8fe0e5d2bbb54b7c8ac42