diff --git a/.gitmodules b/.gitmodules
index 74f8330..e586ad3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,9 @@
 [submodule "rocket-chip"]
 	path = rocket-chip
-	url = https://github.com/ucb-bar/rocket-chip.git
+	url = https://git.tiband.de/riscv/rocket-chip.git
 [submodule "sifive-blocks"]
 	path = sifive-blocks
-	url = https://github.com/sifive/sifive-blocks.git
+	url = https://git.tiband.de/riscv/sifive-blocks.git
 [submodule "fpga-shells"]
 	path = fpga-shells
 	url = https://git.tiband.de/riscv/fpga-shells.git