diff --git a/.github/workflows/pre-pull-request.yaml b/.github/workflows/pre-pull-request.yaml
index 90fcf4242a1..aad20b7d1e1 100644
--- a/.github/workflows/pre-pull-request.yaml
+++ b/.github/workflows/pre-pull-request.yaml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v3
 
diff --git a/.gitmodules b/.gitmodules
index c58ecb319b4..3d7e4161b4b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -11,11 +11,11 @@
 	url = https://sourceware.org/git/glibc.git
 [submodule "dejagnu"]
 	path = dejagnu
-	url = https://git.linaro.org/toolchain/dejagnu.git
+	url = https://git.savannah.gnu.org/git/dejagnu.git
 	branch = dejagnu-1.6.3
 [submodule "newlib"]
 	path = newlib
-	url = https://git.linaro.org/toolchain/newlib.git
+	url =  https://github.com/bminor/newlib.git
 	branch = master
 [submodule "gdb"]
 	path = gdb