diff --git a/.travis.yml b/.travis.yml
index e13823f..eeb37ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,6 @@
 language: groovy
+jdk:
+ - oraclejdk8
 sudo: false
 after_success:
   - mvn -q -e clean test jacoco:report coveralls:report
diff --git a/pom.xml b/pom.xml
index 8cc59a9..6f548ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>pl.jug.torun</groupId>
     <artifactId>xenia-api</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>2.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Xenia API</name>
diff --git a/src/main/groovy/pl/jug/torun/xenia/draw/DrawController.groovy b/src/main/groovy/pl/jug/torun/xenia/draw/DrawController.groovy
index b652fe6..b42921c 100644
--- a/src/main/groovy/pl/jug/torun/xenia/draw/DrawController.groovy
+++ b/src/main/groovy/pl/jug/torun/xenia/draw/DrawController.groovy
@@ -20,9 +20,12 @@ final class DrawController {
     }
 
     @RequestMapping(method = RequestMethod.GET)
-    public DrawResult drawWinnerCandidate(@PathVariable("giveAway") GiveAway giveAway, @RequestParam(value = "absent", required = false) Member absentMember) {
+    public DrawResult drawWinnerCandidate(@PathVariable("giveAway") GiveAway giveAway, @RequestParam(value = "absent", required = false) Member absentMember,
+                                          @RequestParam(value = "skipped", required = false) Member skippedMember) {
         if (absentMember) {
             drawService.markMemberAsAbsentForCurrentDraw(absentMember, giveAway.event)
+        } else if (skippedMember) {
+            drawService.setGiveAwaySkippedForMember(skippedMember, giveAway)
         }
 
         return drawService.drawWinnerCandidate(giveAway)
diff --git a/src/main/groovy/pl/jug/torun/xenia/draw/DrawService.groovy b/src/main/groovy/pl/jug/torun/xenia/draw/DrawService.groovy
index 6786417..fc01aab 100644
--- a/src/main/groovy/pl/jug/torun/xenia/draw/DrawService.groovy
+++ b/src/main/groovy/pl/jug/torun/xenia/draw/DrawService.groovy
@@ -11,16 +11,21 @@ import pl.jug.torun.xenia.events.Event
 import pl.jug.torun.xenia.meetup.Member
 import pl.jug.torun.xenia.meetup.MemberRepository
 
+import static org.apache.commons.lang.StringUtils.isNotBlank
+
 @Slf4j
 @Service
 class DrawService {
     private final DrawResultRepository drawResultRepository
     private final AttendeeRepository attendeeRepository
     private final MemberRepository memberRepository
+    private final SkippedGiveAwayContainer skippedGiveAwayContainer
 
     @Autowired
-    DrawService(DrawResultRepository drawResultRepository, AttendeeRepository attendeeRepository, MemberRepository memberRepository) {
+    DrawService(DrawResultRepository drawResultRepository, SkippedGiveAwayContainer skippedGiveAwayContainer, AttendeeRepository attendeeRepository,
+                MemberRepository memberRepository) {
         this.drawResultRepository = drawResultRepository
+        this.skippedGiveAwayContainer = skippedGiveAwayContainer
         this.attendeeRepository = attendeeRepository
         this.memberRepository = memberRepository
     }
@@ -53,8 +58,12 @@ class DrawService {
         log.debug '{} members have won this prize already...', membersWhoHaveWonThisPrizeAlready.size()
         members.removeAll(membersWhoHaveWonThisPrizeAlready)
 
+        Set<Member> membersWithSkippedGiveAway = skippedGiveAwayContainer.getMembersByGiveAway(giveAway)
+        log.debug '{} members have skipped this prize already...', membersWithSkippedGiveAway.size()
+        members.removeAll(membersWithSkippedGiveAway)
+
         if (giveAway.emailRequired) {
-            members = members.findAll { it.email != null && !it.email.empty }
+            members = members.findAll { isNotBlank(it.email) }
         }
         return members
     }
@@ -77,4 +86,10 @@ class DrawService {
             attendeeRepository.save(attendee)
         }
     }
+
+    public void setGiveAwaySkippedForMember(Member member, GiveAway giveAway) {
+        log.debug 'Member {} skipped the draw result for {}', member, giveAway
+        skippedGiveAwayContainer.addSkippedMember(giveAway, member)
+    }
+
 }
diff --git a/src/main/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainer.groovy b/src/main/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainer.groovy
new file mode 100644
index 0000000..439309c
--- /dev/null
+++ b/src/main/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainer.groovy
@@ -0,0 +1,23 @@
+package pl.jug.torun.xenia.draw
+
+import org.springframework.stereotype.Component
+import pl.jug.torun.xenia.meetup.Member
+
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.ConcurrentSkipListSet
+
+@Component
+class SkippedGiveAwayContainer {
+
+    private final Map<GiveAway, Set<Member>> skippedGiveWays = new ConcurrentHashMap<>()
+
+    Set<Member> getMembersByGiveAway(GiveAway giveaway) {
+        (skippedGiveWays[giveaway] ?: new HashSet<>()).asImmutable()
+    }
+
+    void addSkippedMember(GiveAway giveAway, Member member) {
+        skippedGiveWays.computeIfAbsent(giveAway) {
+            new ConcurrentSkipListSet<Member>({ m1, m2 -> m1.id.compareTo(m2.id) })
+        }.add(member)
+    }
+}
\ No newline at end of file
diff --git a/src/test/groovy/pl/jug/torun/xenia/draw/DrawServiceSpec.groovy b/src/test/groovy/pl/jug/torun/xenia/draw/DrawServiceSpec.groovy
index d001cd2..b5d49d4 100644
--- a/src/test/groovy/pl/jug/torun/xenia/draw/DrawServiceSpec.groovy
+++ b/src/test/groovy/pl/jug/torun/xenia/draw/DrawServiceSpec.groovy
@@ -4,10 +4,7 @@ import org.joda.time.DateTime
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
 import org.springframework.test.context.ContextConfiguration
-import pl.jug.torun.xenia.events.Attendee
-import pl.jug.torun.xenia.events.AttendeeRepository
-import pl.jug.torun.xenia.events.Event
-import pl.jug.torun.xenia.events.EventRepository
+import pl.jug.torun.xenia.events.*
 import pl.jug.torun.xenia.meetup.Member
 import pl.jug.torun.xenia.meetup.MemberRepository
 import pl.jug.torun.xenia.prizes.Prize
@@ -18,6 +15,8 @@ import spock.lang.Subject
 
 import java.util.concurrent.atomic.AtomicLong
 
+import static org.apache.commons.lang.StringUtils.isNotBlank
+
 @Stepwise
 @DataJpaTest
 @ContextConfiguration
@@ -53,7 +52,7 @@ class DrawServiceSpec extends Specification {
     private AtomicLong counter = new AtomicLong(0L)
 
     def setup() {
-        drawService = new DrawService(drawResultRepository, attendeeRepository, memberRepository)
+        drawService = new DrawService(drawResultRepository, new SkippedGiveAwayContainer(), attendeeRepository, memberRepository)
         giveAwayController = new GiveAwayController(giveAwayRepository, prizeRepository, drawResultRepository)
         event = event("Test event", DateTime.parse("2015-04-02T20:00:00"))
     }
@@ -80,7 +79,7 @@ class DrawServiceSpec extends Specification {
         thrown IllegalStateException
     }
 
-    def "should confirm that giveaway that requires email can be drawn by attendess with email only"() {
+    def "should confirm that giveaway that requires email can be drawn by attendees with email only"() {
         setup:
         GiveAway giveAway = giveAwayWithPrizeAndAmount("License", 1, true)
         attendee("John")
@@ -94,7 +93,7 @@ class DrawServiceSpec extends Specification {
         DrawResult result = drawService.drawWinnerCandidate(giveAway)
 
         then:
-        result.member.email != null && result.member.email != ""
+        isNotBlank(result.member.email)
 
         where:
         i << (1..RANDOM_TESTS_RUN_LIMIT)
@@ -204,6 +203,21 @@ class DrawServiceSpec extends Specification {
         i << (1..RANDOM_TESTS_RUN_LIMIT)
     }
 
+    def "should not allow attendee who skipped a giveaway to win same prize again during the same event"() {
+        setup:
+        GiveAway giveAway = giveAwayWithPrizeAndAmount("Something", 1)
+        attendee("Paul").with {
+            drawService.setGiveAwaySkippedForMember(it.member, giveAway)
+        }
+        attendee("Roger")
+
+        when:
+        Member winner = drawService.drawWinnerCandidate(giveAway).member
+
+        then:
+        winner.name == "Roger"
+    }
+
     def "should draw all giveaways and confirm winners"() {
         setup:
         GiveAway firstGiveAway = giveAwayWithPrizeAndAmount("Spring Boot in Action ebook", 2)
@@ -247,7 +261,18 @@ class DrawServiceSpec extends Specification {
         i << (1..RANDOM_TESTS_RUN_LIMIT)
     }
 
+    def "should mark attendee as absent"() {
+        given:
+            Attendee attendee = attendee("Roger")
+        when:
+            drawService.markMemberAsAbsentForCurrentDraw(attendee.member, event)
+        then:
+            storedAttendee(attendee).absent
+    }
 
+    private Attendee storedAttendee(Attendee attendee) {
+        return attendeeRepository.findAllByMemberId(attendee.member.id)[0]
+    }
 
     private GiveAway giveAwayWithAmount(int amount) {
         return giveAwayWithPrizeAndAmount("Test", amount)
@@ -274,7 +299,7 @@ class DrawServiceSpec extends Specification {
     }
 
     private Attendee absent(Attendee attendee) {
-        attendee.absent = true
-        return attendeeRepository.save(attendee)
+        drawService.markMemberAsAbsentForCurrentDraw(attendee.member, event)
+        return attendee
     }
 }
diff --git a/src/test/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainerSpec.groovy b/src/test/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainerSpec.groovy
new file mode 100644
index 0000000..f214f99
--- /dev/null
+++ b/src/test/groovy/pl/jug/torun/xenia/draw/SkippedGiveAwayContainerSpec.groovy
@@ -0,0 +1,46 @@
+package pl.jug.torun.xenia.draw
+
+import pl.jug.torun.xenia.meetup.Member
+import spock.lang.Specification
+
+class SkippedGiveAwayContainerSpec extends Specification {
+
+    def "should add skipped members for same giveaway"() {
+        given:
+        SkippedGiveAwayContainer container = new SkippedGiveAwayContainer()
+        Member firstMember = new Member(id: 100)
+        Member nextMember = new Member(id: 200)
+        GiveAway giveAway = new GiveAway(id: 1000)
+
+        when:
+        container.addSkippedMember(giveAway, firstMember)
+        container.addSkippedMember(giveAway, nextMember)
+
+        then:
+        container.getMembersByGiveAway(giveAway).with {
+            it.size() == 2 && it[0] == firstMember && it[1] == nextMember
+        }
+    }
+
+    def "should add skipped members for different giveaways"() {
+        given:
+        SkippedGiveAwayContainer container = new SkippedGiveAwayContainer()
+        Member firstMember = new Member(id: 100)
+        Member nextMember = new Member(id: 200)
+        GiveAway firstGiveAway = new GiveAway(id: 1000)
+        GiveAway nextGiveAway = new GiveAway(id: 2000)
+
+        when:
+        container.addSkippedMember(firstGiveAway, firstMember)
+        container.addSkippedMember(nextGiveAway, nextMember)
+
+        then:
+        container.getMembersByGiveAway(firstGiveAway).with {
+            it.size() == 1 && it[0] == firstMember
+        }
+        container.getMembersByGiveAway(nextGiveAway).with {
+            it.size() == 1 && it[0] == nextMember
+        }
+    }
+
+}