OPENNLP-1300: Upgrading UIMA dependency. (#372)

diff --git a/opennlp-uima/pom.xml b/opennlp-uima/pom.xml
index 649e149..feef5c9 100644
--- a/opennlp-uima/pom.xml
+++ b/opennlp-uima/pom.xml
@@ -16,7 +16,7 @@
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
-   under the License.    
+   under the License.
 -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
@@ -28,7 +28,7 @@
 	    <version>1.9.3-SNAPSHOT</version>
 	    <relativePath>../pom.xml</relativePath>
     </parent>
-    
+
 	<artifactId>opennlp-uima</artifactId>
 	<packaging>jar</packaging>
 	<name>Apache OpenNLP UIMA Annotators</name>
@@ -51,7 +51,7 @@
 		<dependency>
 			<groupId>org.apache.uima</groupId>
 			<artifactId>uimaj-core</artifactId>
-			<version>2.3.1</version>
+			<version>3.1.1</version>
 			<scope>provided</scope>
 		</dependency>