diff --git a/tools/bazel.rc b/tools/bazel.rc
index 0e3001f..513bc94 100644
--- a/tools/bazel.rc
+++ b/tools/bazel.rc
@@ -52,5 +52,13 @@
 # Dump the output of the failing test to stdout.
 test --test_output=errors
 
-build --experimental_sandbox_shm
+build --experimental_sandbox_base=/dev/shm/
 build --experimental_multi_threaded_digest
+
+build --sandbox_fake_hostname=true
+build --sandbox_fake_username=true
+
+build --experimental_auto_cpu_environment_group=//tools:cpus
+startup --host_jvm_args=-Dbazel.DigestFunction=SHA1
+
+common --watchfs