diff --git a/Makefile b/Makefile
index a3831657a..d07877137 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ PY2APPOPTS ?=
 # Default pytest options
 # Note that using -n silently swallows test creation exceptions like
 # import errors.
-PYTESTOPTS?=--resultlog=testresults.txt --tb=short --durations=0 -n4
+PYTESTOPTS?=--resultlog=testresults.txt --tb=short --durations=0 -n8
 CHMODMINUSMINUS:=--
 # directory or file with tests to run
 TESTS ?= tests