diff --git a/build-fct/conf/local.conf b/build-fct/conf/local.conf
index 5123324..7a69a5c 100644
--- a/build-fct/conf/local.conf
+++ b/build-fct/conf/local.conf
@@ -1,5 +1,5 @@
-BB_NUMBER_THREADS ?= "8"
-PARALLEL_MAKE ?= "-j 8"
+BB_NUMBER_THREADS ?= "4"
+PARALLEL_MAKE ?= "-j 4"
 PACKAGE_CLASSES ?= "package_rpm"
 USER_CLASSES ?= "buildstats image-mklibs image-prelink"
 PATCHRESOLVE = "noop"
diff --git a/build-minimal/conf/local.conf b/build-minimal/conf/local.conf
index 5123324..7a69a5c 100644
--- a/build-minimal/conf/local.conf
+++ b/build-minimal/conf/local.conf
@@ -1,5 +1,5 @@
-BB_NUMBER_THREADS ?= "8"
-PARALLEL_MAKE ?= "-j 8"
+BB_NUMBER_THREADS ?= "4"
+PARALLEL_MAKE ?= "-j 4"
 PACKAGE_CLASSES ?= "package_rpm"
 USER_CLASSES ?= "buildstats image-mklibs image-prelink"
 PATCHRESOLVE = "noop"
diff --git a/build/conf/local.conf b/build/conf/local.conf
index 5123324..7a69a5c 100644
--- a/build/conf/local.conf
+++ b/build/conf/local.conf
@@ -1,5 +1,5 @@
-BB_NUMBER_THREADS ?= "8"
-PARALLEL_MAKE ?= "-j 8"
+BB_NUMBER_THREADS ?= "4"
+PARALLEL_MAKE ?= "-j 4"
 PACKAGE_CLASSES ?= "package_rpm"
 USER_CLASSES ?= "buildstats image-mklibs image-prelink"
 PATCHRESOLVE = "noop"