diff --git a/.gitmodules b/.gitmodules
index 696e4287..8850b2c9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -9,7 +9,7 @@
 [submodule "gcc"]
 	path = gcc
 	url = https://github.com/gcc-mirror/gcc.git
-	branch = releases/gcc-14
+	branch = releases/gcc-15
 	shallow = true
 [submodule "glibc"]
 	path = glibc
diff --git a/gcc b/gcc
index 04696df0..1b306039 160000
--- a/gcc
+++ b/gcc
@@ -1 +1 @@
-Subproject commit 04696df09633baf97cdbbdd6e9929b9d472161d3
+Subproject commit 1b306039ac49f8ad91ca71d3de3150a3c9fa792a