diff --git a/.github/scripts/manylinux_build_and_test.sh b/.github/scripts/manylinux_build_and_test.sh
index 01c6867f..ce8301a7 100644
--- a/.github/scripts/manylinux_build_and_test.sh
+++ b/.github/scripts/manylinux_build_and_test.sh
@@ -9,6 +9,15 @@ export PYTHONPATH="$PWD${PYTHONPATH:+:${PYTHONPATH}}"
 # Ensure dependency archives are read from the restored workspace cache even in isolated builds.
 export PYXMLSEC_LIBS_DIR="$PWD/libs"
 
+# Step: Allow Git access to the mounted workspace for SCM version discovery
+echo "== [container] Step: Configure Git safe.directory =="
+if command -v git >/dev/null 2>&1; then
+  if [ -n "${PWD:-}" ]; then
+    git config --global --add safe.directory "$PWD"
+    echo "GIT_SAFE_DIRECTORY=$PWD"
+  fi
+fi
+
 # Step: Install system build dependencies (manylinux only)
 echo "== [container] Step: Install system build dependencies (manylinux only) =="
 case "$MANYLINUX_IMAGE" in
diff --git a/.github/workflows/cache_libs.yml b/.github/workflows/cache_libs.yml
index 77c83353..1ac325e1 100644
--- a/.github/workflows/cache_libs.yml
+++ b/.github/workflows/cache_libs.yml
@@ -20,7 +20,7 @@ on:
         required: false
         type: string
       XMLSEC1_VERSION:
-        default: "1.3.9"
+        default: "1.3.10"
         required: false
         type: string
       ZLIB_VERSION:
diff --git a/build_support/lib_xmlsec_dependency_builder.py b/build_support/lib_xmlsec_dependency_builder.py
index 00b519dd..49dcab7f 100644
--- a/build_support/lib_xmlsec_dependency_builder.py
+++ b/build_support/lib_xmlsec_dependency_builder.py
@@ -49,7 +49,7 @@ class LibXmlsecDependencyBuilder:
         'libxml2_version': '2.14.6',  # Make sure it matches with lxml
         'libxslt_version': '1.1.43',
         'openssl_version': '3.6.0',
-        'xmlsec1_version': '1.3.9',
+        'xmlsec1_version': '1.3.10',
         'zlib_version': '1.3.1',
     }
     WINDOWS_DEFAULT_LIB_VERSIONS: ClassVar[dict[str, str]] = {