diff --git a/system/sleuthkit/sleuthkit.SlackBuild b/system/sleuthkit/sleuthkit.SlackBuild
index e30eb4a4ae..1cd243e509 100644
--- a/system/sleuthkit/sleuthkit.SlackBuild
+++ b/system/sleuthkit/sleuthkit.SlackBuild
@@ -22,12 +22,12 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Updated v4.1.3 (external type patch) December 2014 
+# Updated v4.2.0 March 2016.
 # Barry J. Grundy <bgrundy(at)linuxleo.com>
 
 PRGNAM=sleuthkit
-VERSION=${VERSION:-4.1.3}
-BUILD=${BUILD:-2}
+VERSION=${VERSION:-4.2.0}
+BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -70,10 +70,7 @@ find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
- -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
-
-# Fix external type errors with EWF, external and unsupported types:
-patch -p0 < $CWD/tsk4.1.3_external_type.patch
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
diff --git a/system/sleuthkit/sleuthkit.info b/system/sleuthkit/sleuthkit.info
index ab009c7ac2..7236266417 100644
--- a/system/sleuthkit/sleuthkit.info
+++ b/system/sleuthkit/sleuthkit.info
@@ -1,8 +1,8 @@
 PRGNAM="sleuthkit"
-VERSION="4.1.3"
+VERSION="4.2.0"
 HOMEPAGE="http://www.sleuthkit.org/sleuthkit/"
-DOWNLOAD="http://sourceforge.net/projects/sleuthkit/files/sleuthkit/4.1.3/sleuthkit-4.1.3.tar.gz"
-MD5SUM="139a12f06952d8a40bbe07884994cf5d"
+DOWNLOAD="https://sourceforge.net/projects/sleuthkit/files/sleuthkit/4.2.0/sleuthkit-4.2.0.tar.gz"
+MD5SUM="e281fd0976ac93df5123a0eb8b32cfc3"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""
diff --git a/system/sleuthkit/tsk4.1.3_external_type.patch b/system/sleuthkit/tsk4.1.3_external_type.patch
deleted file mode 100644
index a3c05970ef..0000000000
--- a/system/sleuthkit/tsk4.1.3_external_type.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- tsk/img/tsk_img.h.orig	2014-02-02 09:56:12.947709027 +0100
-+++ tsk/img/tsk_img.h	2014-02-02 09:55:34.569701897 +0100
-@@ -66,6 +66,8 @@
- 
-         TSK_IMG_TYPE_EWF_EWF = 0x0040,  ///< EWF version
- 
-+        TSK_IMG_TYPE_EXTERNAL = 0x1000,  ///< external defined format which at least implements TSK_IMG_INFO, used by pytsk
-+
-         TSK_IMG_TYPE_UNSUPP = 0xffff,   ///< Unsupported disk image type
-     } TSK_IMG_TYPE_ENUM;
-