diff --git a/util/archive/libtar/pspec.xml b/util/archive/libtar/pspec.xml
index aadb3c8953..475951fc94 100644
--- a/util/archive/libtar/pspec.xml
+++ b/util/archive/libtar/pspec.xml
@@ -14,10 +14,16 @@
         <Summary>tar file manipulation API</Summary>
         <Description>libtar is a C library for manipulating POSIX tar files. It handles adding and extracting files to/from a tar archive.</Description>
         <Archive sha1sum="89901d5dbf720b59df7a5f0b34ff90bff9bbb806" type="targz">http://pkgbuild.com/~giovanni/libtar/libtar-1.2.20.tar.gz</Archive>
+        <BuildDependencies>
+            <Dependency>zlib-devel</Dependency>
+        </BuildDependencies>
     </Source>
 
     <Package>
         <Name>libtar</Name>
+        <RuntimeDependencies>
+            <Dependency>zlib</Dependency>
+        </RuntimeDependencies>
         <Files>
             <Path fileType="executable">/usr/bin</Path>
             <Path fileType="library">/usr/lib</Path>