diff --git a/buildfile b/buildfile
index 57818810..82da2b70 100644
--- a/buildfile
+++ b/buildfile
@@ -6,14 +6,14 @@ SLF4J_LOG4J = 'org.slf4j:slf4j-log4j12:jar:1.5.10'
 LOG4J = 'log4j:log4j:jar:1.2.15'
 SSHD = transitive('org.apache.sshd:sshd-core:jar:0.3.0')
 JCRAFT = 'com.jcraft:jzlib:jar:1.0.7'
-BC = 'org.bouncycastle:bcprov-jdk16:jar:1.45'
+BC = 'org.bouncycastle:bcprov-jdk15:jar:1.45'
 
 desc 'SSHv2 library for Java'
 define 'sshj', :version=>'0.1a', :group=>'sshj' do
     
-    compile.with SLF4J, LOG4J, SLF4J_LOG4J, BC, JCRAFT
+    compile.with(SLF4J, BC, JCRAFT).using(:target=>'1.5')
 
-    test.with SSHD, LOG4J, SLF4J, SLF4J_LOG4J
+    test.with(SSHD, LOG4J, SLF4J, SLF4J_LOG4J)
     
     package(:jar).exclude('**/examples')
     package(:sources).exclude('**/examples')