diff --git a/build.xml b/build.xml
index bca71b64b0..3a22a29db4 100644
--- a/build.xml
+++ b/build.xml
@@ -163,8 +163,8 @@ under the License.
     <property name="main.log4j.url" value="${repository.m2}/maven2/log4j/log4j/1.2.17/log4j-1.2.17.jar"/>
     <property name="main.junit.jar" location="${main.lib}/junit-4.12.jar"/>
     <property name="main.junit.url" value="${repository.m2}/maven2/junit/junit/4.12/junit-4.12.jar"/>
-    <property name="main.hamcrest.jar" location="${main.lib}/hamcrest-all-1.3.jar"/>
-    <property name="main.hamcrest.url" value="${repository.m2}/maven2/org/hamcrest/hamcrest-all/1.3/hamcrest-all-1.3.jar"/>
+    <property name="main.hamcrest.jar" location="${main.lib}/hamcrest-core-1.3.jar"/>
+    <property name="main.hamcrest.url" value="${repository.m2}/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar"/>
     <property name="main.ant.jar" location="${main.lib}/ant-1.9.4.jar"/>
     <property name="main.ant.url" value="${repository.m2}/maven2/org/apache/ant/ant/1.9.4/ant-1.9.4.jar"/>
     <property name="main.antlauncher.jar" location="${main.lib}/ant-launcher-1.9.4.jar"/>
diff --git a/maven/poi.pom b/maven/poi.pom
index c1719159a6..efd24cfe0b 100644
--- a/maven/poi.pom
+++ b/maven/poi.pom
@@ -81,7 +81,7 @@
 
     <dependency>
       <groupId>org.hamcrest</groupId>
-      <artifactId>hamcrest-all</artifactId>
+      <artifactId>hamcrest-core</artifactId>
       <scope>test</scope>
       <version>1.3</version>
     </dependency>
diff --git a/src/testcases/org/apache/poi/POITestCase.java b/src/testcases/org/apache/poi/POITestCase.java
index 4545a4d0c3..a82b69abab 100644
--- a/src/testcases/org/apache/poi/POITestCase.java
+++ b/src/testcases/org/apache/poi/POITestCase.java
@@ -30,10 +30,6 @@ import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.startsWith;
 import static org.hamcrest.CoreMatchers.endsWith;
 import static org.hamcrest.CoreMatchers.not;
-import static org.hamcrest.Matchers.lessThan;
-import static org.hamcrest.Matchers.lessThanOrEqualTo;
-import static org.hamcrest.Matchers.greaterThan;
-import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 
 import java.lang.reflect.AccessibleObject;
 import java.lang.reflect.Field;
@@ -266,11 +262,16 @@ public final class POITestCase {
     }
     
     public static void assertBetween(String message, int value, int min, int max) {
-        assertThat(message, value, greaterThanOrEqualTo(min));
-        assertThat(message, value, lessThanOrEqualTo(max));
+        assertTrue(message + ": " + value + " is less than the minimum value of " + min,
+                min <= value);
+        assertTrue(message + ": " + value + " is greater than the maximum value of " + max,
+                value <= max);
     }
     public static void assertStrictlyBetween(String message, int value, int min, int max) {
-        assertThat(message, value, greaterThan(min));
-        assertThat(message, value, lessThan(max));
+        assertTrue(message + ": " + value + " is less than or equal to the minimum value of " + min,
+                min < value);
+        assertTrue(message + ": " + value + " is greater than or equal to the maximum value of " + max,
+                value < max);
     }
+
 }