diff --git a/build.gradle b/build.gradle
index 5090810c..d00e480e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ dependencies {
 
 group = 'com.fazecast'
 archivesBaseName = 'jSerialComm'
-version = System.getenv("LIB_VERSION") ?: '2.10.3'
+version = System.getenv("LIB_VERSION") ?: '2.10.4'
 ext.moduleName = 'com.fazecast.jSerialComm'
 
 sourceCompatibility = 6
diff --git a/src/main/c/Posix/SerialPort_Posix.c b/src/main/c/Posix/SerialPort_Posix.c
index c86657c9..c70c3101 100644
--- a/src/main/c/Posix/SerialPort_Posix.c
+++ b/src/main/c/Posix/SerialPort_Posix.c
@@ -84,7 +84,7 @@ jfieldID eventFlagsField;
 char portsEnumerated = 0;
 char classInitialized = 0;
 pthread_mutex_t criticalSection;
-const char nativeLibraryVersion[] = "2.10.3";
+const char nativeLibraryVersion[] = "2.10.4";
 serialPortVector serialPorts = { NULL, 0, 0 };
 
 // JNI exception handler
diff --git a/src/main/c/Windows/SerialPort_Windows.c b/src/main/c/Windows/SerialPort_Windows.c
index 42e05c3e..85860224 100644
--- a/src/main/c/Windows/SerialPort_Windows.c
+++ b/src/main/c/Windows/SerialPort_Windows.c
@@ -88,7 +88,7 @@ CancelIoExFunction CancelIoEx = NULL;
 char portsEnumerated = 0;
 char classInitialized = 0;
 CRITICAL_SECTION criticalSection;
-const char nativeLibraryVersion[] = "2.10.3";
+const char nativeLibraryVersion[] = "2.10.4";
 serialPortVector serialPorts = { NULL, 0, 0 };
 
 // JNI exception handler
diff --git a/src/main/java/com/fazecast/jSerialComm/SerialPort.java b/src/main/java/com/fazecast/jSerialComm/SerialPort.java
index f85b6442..ee1a3cc0 100644
--- a/src/main/java/com/fazecast/jSerialComm/SerialPort.java
+++ b/src/main/java/com/fazecast/jSerialComm/SerialPort.java
@@ -102,7 +102,7 @@ public class SerialPort
 
 	// Static initializer loads correct native library for this machine
 	static private final ReentrantLock libraryLock = new ReentrantLock(true);
-	static private final String versionString = "2.10.3";
+	static private final String versionString = "2.10.4";
 	static private final String tmpdirAppIdProperty = "fazecast.jSerialComm.appid";
 	static private final List<Thread> shutdownHooks = new ArrayList<Thread>();
 	static private boolean isWindows = false, isAndroid = false, isAndroidDelete = false;
diff --git a/src/main/java/com/fazecast/jSerialComm/package-info.java b/src/main/java/com/fazecast/jSerialComm/package-info.java
index 520d50ea..a03d35d0 100644
--- a/src/main/java/com/fazecast/jSerialComm/package-info.java
+++ b/src/main/java/com/fazecast/jSerialComm/package-info.java
@@ -28,6 +28,6 @@
  * Java serial communications library.
  *
  * @author Will Hedgecock &lt;will.hedgecock@fazecast.com&gt;
- * @version 2.10.3
+ * @version 2.10.4
  */
 package com.fazecast.jSerialComm;