diff --git a/modbus-serial/pom.xml b/modbus-serial/pom.xml
index e133745..ad9c94a 100644
--- a/modbus-serial/pom.xml
+++ b/modbus-serial/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.digitalpetri.modbus</groupId>
     <artifactId>modbus-parent</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.5-SNAPSHOT</version>
   </parent>
 
   <name>Modbus :: Serial</name>
diff --git a/modbus-tcp/pom.xml b/modbus-tcp/pom.xml
index ee52362..d07fd2f 100644
--- a/modbus-tcp/pom.xml
+++ b/modbus-tcp/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.digitalpetri.modbus</groupId>
     <artifactId>modbus-parent</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.5-SNAPSHOT</version>
   </parent>
 
   <name>Modbus :: TCP</name>
diff --git a/modbus-tests/pom.xml b/modbus-tests/pom.xml
index fb11059..ccd642a 100644
--- a/modbus-tests/pom.xml
+++ b/modbus-tests/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.digitalpetri.modbus</groupId>
     <artifactId>modbus-parent</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.5-SNAPSHOT</version>
   </parent>
 
   <name>Modbus :: Tests</name>
diff --git a/modbus/pom.xml b/modbus/pom.xml
index bbee185..7f17a8a 100644
--- a/modbus/pom.xml
+++ b/modbus/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.digitalpetri.modbus</groupId>
     <artifactId>modbus-parent</artifactId>
-    <version>2.1.4-SNAPSHOT</version>
+    <version>2.1.5-SNAPSHOT</version>
   </parent>
 
   <name>Modbus :: Core</name>
diff --git a/pom.xml b/pom.xml
index 80c26a1..539b169 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
   <groupId>com.digitalpetri.modbus</groupId>
   <artifactId>modbus-parent</artifactId>
-  <version>2.1.4-SNAPSHOT</version>
+  <version>2.1.5-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Modbus</name>