diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index 54529dd9487..6697d8fc0ae 100755
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -246,7 +246,7 @@ case "$1" in
         list_directory "${ZEBRA_CACHED_STATE_DIR}"
         # Run both the fully synced RPC test and the subtree snapshot test, one test at a time.
         # Since these tests use the same cached state, a state problem in the first test can fail the second test.
-        run_cargo_test "${ENTRYPOINT_FEATURES}" "fully_synced_rpc_"
+        run_cargo_test "${ENTRYPOINT_FEATURES}" "--test-threads 1 fully_synced_rpc_"
 
       elif [[ "${TEST_LWD_FULL_SYNC}" -eq "1" ]]; then
         # Starting at a cached Zebra tip, run a lightwalletd sync to tip.