diff --git a/build/pkgs/cryptominisat/SPKG.txt b/build/pkgs/cryptominisat/SPKG.txt
index e34296fdf7a..c1ee354a588 100644
--- a/build/pkgs/cryptominisat/SPKG.txt
+++ b/build/pkgs/cryptominisat/SPKG.txt
@@ -15,16 +15,17 @@
 
 == License ==
 
- * GNU General Public License Version 3 or later (see src/COPYING)
+MIT License
 
 == Upstream Contact ==
 
- * Authors: Mate Soos
- * Email:   soos.mate@gmail.com
- * Website: http://www.msoos.org/cryptominisat2
+ * Authors:  Mate Soos
+ * Email:    soos.mate@gmail.com
+ * Website:  http://www.msoos.org/
+ * Releases: https://github.com/msoos/cryptominisat/releases
 
 == Special Update/Build Instructions ==
 
-CryptoMiniSat's tarball is called cmsat-VERSION.tar.gz and unpacks to
-cmsat-VERSION. It should be unpacked, renamed to cryptominisat-VERSION and
-repackaged.
+CryptoMiniSat's tarball downloaded from github is called VERSION.tar.gz
+and should be renamed to cryptominisat-VERSION.tar.gz
+
diff --git a/build/pkgs/cryptominisat/checksums.ini b/build/pkgs/cryptominisat/checksums.ini
index 27efce91789..5e6fd58fe7b 100644
--- a/build/pkgs/cryptominisat/checksums.ini
+++ b/build/pkgs/cryptominisat/checksums.ini
@@ -1,4 +1,4 @@
 tarball=cryptominisat-VERSION.tar.gz
-sha1=3566754f4e1eb5aefec703f7806c74e4c3edda80
-md5=6fdabd54dc9076e0e2f28f489f5eab64
-cksum=2155609827
+sha1=f270bc232dbf273d5059f4c0cb704df7cf1f507d
+md5=45203be947368de75b44cf734cbac1d7
+cksum=1496245059
diff --git a/build/pkgs/cryptominisat/dependencies b/build/pkgs/cryptominisat/dependencies
index 3546cda4614..df51e312747 100644
--- a/build/pkgs/cryptominisat/dependencies
+++ b/build/pkgs/cryptominisat/dependencies
@@ -1,4 +1,4 @@
-# no dependencies
+$(PYTHON) | cmake sqlite m4ri boost_cropped
 
 ----------
 All lines of this file are ignored except the first.
diff --git a/build/pkgs/cryptominisat/package-version.txt b/build/pkgs/cryptominisat/package-version.txt
index 23ae1b5dc26..6b244dcd696 100644
--- a/build/pkgs/cryptominisat/package-version.txt
+++ b/build/pkgs/cryptominisat/package-version.txt
@@ -1 +1 @@
-2.9.6
+5.0.1
diff --git a/build/pkgs/cryptominisat/spkg-install b/build/pkgs/cryptominisat/spkg-install
index 35a1d0dda59..6cdf3a80a0b 100755
--- a/build/pkgs/cryptominisat/spkg-install
+++ b/build/pkgs/cryptominisat/spkg-install
@@ -1,76 +1,21 @@
 #!/usr/bin/env bash
 
-if [ "$SAGE_LOCAL" = "" ]; then
-   echo "SAGE_LOCAL undefined ... exiting"
-   echo "Maybe run 'sage -sh'?"
-   exit 1
-fi
-
-unset RM
-
-INCLUDES="-I$SAGE_LOCAL/include"
-LIBDIRS="-L$SAGE_LOCAL/lib"
-
-CXXFLAGS="$CXXFLAGS $INCLUDES $LIBDIRS -g"
-
-COMPILER=`testcc.sh $CC`
-
-if [ "x$COMPILER"  = "xGNU" ] ; then
-   CXXFLAGS="$CXXFLAGS -fPIC -Wall -pedantic"
-elif [ "x$COMPILER" = "xSun_on_Solaris" ] ; then
-   CXXFLAGS="$CXXFLAGS -Kpic"
-elif [ "x$COMPILER" = "xHP_on_HPUX" ] ; then
-   CXXFLAGS="$CXXFLAGS + z"
-fi
-
-CPPFLAGS="$INCLUDES"
-
-if [ "x$SAGE_DEBUG" = "xyes" ]; then
-   CXXFLAGS="$CXXFLAGS -O0"
-   ENABLE_DEBUG="--enable-debug"
-else
-   CXXFLAGS="$CXXFLAGS -O2"
-   ENABLE_DEBUG=""
-fi
+fail () {
+    echo -e >&2 $1
+    exit 1
+}
 
-if [ "x$SAGE64" = "xyes" ]; then
-    CXXFLAGS="$CXXFLAGS -m64"
-    CPPFLAGS="$CPPFLAGS -m64"
-    # FIXME: Do we need LDFLAGS here, too?
-    #        But looks as if all linking is performed by libtool/
-    #        gcc, so we do not really need it here.
+if [ "$SAGE_LOCAL" = "" ]; then
+    fail "SAGE_LOCAL undefined ... exiting\nMaybe run 'sage -sh'?"
 fi
 
-export CXXFLAGS
-export CPPFLAGS
-
-
-#build CryptoMiniSat
-
 cd src
 
-$MAKE clean
-
-./configure --prefix=$SAGE_LOCAL $ENABLE_DEBUG
-
-if [ $? -ne 0 ]; then
-    echo "Error configuring cryptominisat"
-    exit 1
-fi
+cmake -DCMAKE_INSTALL_PREFIX="${SAGE_LOCAL}" -DUSE_GAUSS='ON' . || fail 'Error configuring cryptominisat'
 
-$MAKE
+$MAKE || fail 'Error building cryptominisat'
 
-if [ $? -ne 0 ]; then
-    echo "Error building cryptominisat"
-    exit 1
-fi
-
-$MAKE install
-
-if [ $? -ne 0 ]; then
-    echo "Error installing cryptominisat"
-    exit 1
-fi
+$MAKE install || fail 'Error installing cryptominisat'
 
-cd ..
+exit 0