diff --git a/build.xml b/build.xml
index 772e259..08b1641 100644
--- a/build.xml
+++ b/build.xml
@@ -2,7 +2,7 @@
     <property environment="env"/>
     <fail unless="env.IBC_BIN" message="Environment variable 'IBC_BIN' not set (set it to the fully-qualified directory name containing the TWS jar files)."/>
 
-    <property name="ver" value="3.10.0"/>
+    <property name="ver" value="3.11.0"/>
     <property name="src" location="src"/>
     <property name="resources" location="resources"/>
     <property name="target" location="target"/>
diff --git a/resources/IBC.jar b/resources/IBC.jar
index 5346fcb..eef1c81 100644
Binary files a/resources/IBC.jar and b/resources/IBC.jar differ
diff --git a/resources/version b/resources/version
index e06d07a..e0af123 100644
--- a/resources/version
+++ b/resources/version
@@ -1 +1 @@
-3.10.0
\ No newline at end of file
+3.11.0
\ No newline at end of file
diff --git a/src/ibcalpha/ibc/IbcVersionInfo.java b/src/ibcalpha/ibc/IbcVersionInfo.java
index 53edecc..c930718 100644
--- a/src/ibcalpha/ibc/IbcVersionInfo.java
+++ b/src/ibcalpha/ibc/IbcVersionInfo.java
@@ -3,5 +3,5 @@
 package ibcalpha.ibc;
 
 public class IbcVersionInfo {
-    public final static String IBC_VERSION = "3.10.0";
+    public final static String IBC_VERSION = "3.11.0";
 }