diff --git a/opensesame_plugins/parallel_port_trigger_init/info.yaml b/opensesame_plugins/parallel_port_trigger_init/info.yaml
index ad85f88..8a3fc59 100644
--- a/opensesame_plugins/parallel_port_trigger_init/info.yaml
+++ b/opensesame_plugins/parallel_port_trigger_init/info.yaml
@@ -1,5 +1,5 @@
 description: Parallel Port Trigger - initializes the parallel port device.
-version: 3.0.0
+version: 3.1.0
 author: "Bob Rosbag"
 url: "http://osdoc.cogsci.nl/"
 category: "Parallel Port Trigger"
@@ -29,5 +29,5 @@ controls:
     type: text
 -
     label:  |
-      <small>Parallel Port Trigger version 3.0.0</small>
+      <small>Parallel Port Trigger version 3.1.0</small>
     type: "text"
diff --git a/opensesame_plugins/parallel_port_trigger_init/parallel_port_trigger_init.py b/opensesame_plugins/parallel_port_trigger_init/parallel_port_trigger_init.py
index 7edfd20..44fa5f0 100755
--- a/opensesame_plugins/parallel_port_trigger_init/parallel_port_trigger_init.py
+++ b/opensesame_plugins/parallel_port_trigger_init/parallel_port_trigger_init.py
@@ -27,7 +27,7 @@
 from libqtopensesame.items.qtautoplugin import qtautoplugin
 from libopensesame.exceptions import osexception
 
-VERSION = u'3.0.0'
+VERSION = u'3.1.0'
 
 
 class parallel_port_trigger_init(item):
diff --git a/opensesame_plugins/parallel_port_trigger_send/info.yaml b/opensesame_plugins/parallel_port_trigger_send/info.yaml
index ceaa4be..613a645 100644
--- a/opensesame_plugins/parallel_port_trigger_send/info.yaml
+++ b/opensesame_plugins/parallel_port_trigger_send/info.yaml
@@ -1,5 +1,5 @@
 description: Parallel Port Trigger - send trigger.
-version: 3.0.0
+version: 3.1.0
 author: "Bob Rosbag"
 url: "http://osdoc.cogsci.nl/"
 category: "Parallel Port Trigger"
@@ -29,5 +29,5 @@ controls:
     type: text
 -
     label:  |
-      <small>Parallel Port Trigger version 3.0.0</small>
+      <small>Parallel Port Trigger version 3.1.0</small>
     type: "text"
diff --git a/opensesame_plugins/parallel_port_trigger_send/parallel_port_trigger_send.py b/opensesame_plugins/parallel_port_trigger_send/parallel_port_trigger_send.py
index 4ab029f..619998f 100755
--- a/opensesame_plugins/parallel_port_trigger_send/parallel_port_trigger_send.py
+++ b/opensesame_plugins/parallel_port_trigger_send/parallel_port_trigger_send.py
@@ -28,7 +28,7 @@
 from libopensesame.exceptions import osexception
 from openexp.keyboard import keyboard
 
-VERSION = u'3.0.0'
+VERSION = u'3.1.0'
 
 
 class parallel_port_trigger_send(item):
diff --git a/setup.py b/setup.py
index 8291d27..f0e15c6 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def get_readme():
 
 setup(
     name='opensesame-plugin-parallel_port_trigger',
-    version='3.0.0',
+    version='3.1.0',
     description='An OpenSesame Plug-in for sending stimulus synchronization triggers through the parallel port to data acquisition systems.',
     long_description=get_readme(),
     long_description_content_type='text/markdown',