diff --git a/configs/olimexino-stm32/can/defconfig b/configs/olimexino-stm32/can/defconfig
index 0791cf78896..8ed1c496421 100644
--- a/configs/olimexino-stm32/can/defconfig
+++ b/configs/olimexino-stm32/can/defconfig
@@ -48,7 +48,7 @@ CONFIG_I2C=y
 CONFIG_IDLETHREAD_STACKSIZE=300
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_NAME_MAX=8
diff --git a/configs/olimexino-stm32/composite/defconfig b/configs/olimexino-stm32/composite/defconfig
index ad25c1672df..868b2a697ef 100644
--- a/configs/olimexino-stm32/composite/defconfig
+++ b/configs/olimexino-stm32/composite/defconfig
@@ -66,7 +66,7 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=300
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MMCSD=y
diff --git a/configs/olimexino-stm32/nsh/defconfig b/configs/olimexino-stm32/nsh/defconfig
index 30a421918e3..0bd53f08b20 100644
--- a/configs/olimexino-stm32/nsh/defconfig
+++ b/configs/olimexino-stm32/nsh/defconfig
@@ -54,7 +54,7 @@ CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_IDLETHREAD_STACKSIZE=300
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MMCSD=y
diff --git a/configs/spark/composite/defconfig b/configs/spark/composite/defconfig
index af4f8711003..64e28d8db7b 100644
--- a/configs/spark/composite/defconfig
+++ b/configs/spark/composite/defconfig
@@ -58,7 +58,7 @@ CONFIG_IDLETHREAD_STACKSIZE=280
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_RAND_ORDER=2
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MQ_MAXMSGSIZE=8
diff --git a/configs/spark/nsh/defconfig b/configs/spark/nsh/defconfig
index 40363aae9f9..28222b3f4d9 100644
--- a/configs/spark/nsh/defconfig
+++ b/configs/spark/nsh/defconfig
@@ -49,7 +49,7 @@ CONFIG_IDLETHREAD_STACKSIZE=300
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_RAND_ORDER=2
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MQ_MAXMSGSIZE=8
diff --git a/configs/spark/usbmsc/defconfig b/configs/spark/usbmsc/defconfig
index 37cd3ef6cc5..eed15c31c75 100644
--- a/configs/spark/usbmsc/defconfig
+++ b/configs/spark/usbmsc/defconfig
@@ -44,7 +44,7 @@ CONFIG_IDLETHREAD_STACKSIZE=280
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_RAND_ORDER=2
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MQ_MAXMSGSIZE=8
diff --git a/configs/spark/usbserial/defconfig b/configs/spark/usbserial/defconfig
index 1699ef387d7..7b0d94af996 100644
--- a/configs/spark/usbserial/defconfig
+++ b/configs/spark/usbserial/defconfig
@@ -41,7 +41,7 @@ CONFIG_INTELHEX_BINARY=y
 CONFIG_LIB_BOARDCTL=y
 CONFIG_LIB_RAND_ORDER=2
 CONFIG_LIB_SENDFILE_BUFSIZE=0
-CONFIG_MAX_TASKS=12
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_MM_SMALL=y
 CONFIG_MQ_MAXMSGSIZE=8