diff --git a/.gitmodules b/.gitmodules
index 6e8be21..473a996 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,7 +12,7 @@
 	url = https://github.com/verilator/verilator
 [submodule "toolchain/newlib"]
 	path = toolchain/newlib
-	url = https://sourceware.org/git/newlib-cygwin.git
+	url = https://forge.sourceware.org/newlib/newlib-cygwin-mirror.git
 	ignore = dirty
 	update = none
 [submodule "toolchain/riscv-llvm"]
diff --git a/toolchain/newlib b/toolchain/newlib
index 2e4ecbb..b11613e 160000
--- a/toolchain/newlib
+++ b/toolchain/newlib
@@ -1 +1 @@
-Subproject commit 2e4ecbb3f0d574d18eddb97eff9421db45fb0da7
+Subproject commit b11613e477c006b2ce0332463ed07f1118260e79