diff --git a/.pubnub.yml b/.pubnub.yml
index 83b672222..758621c3d 100644
--- a/.pubnub.yml
+++ b/.pubnub.yml
@@ -1,9 +1,9 @@
 name: kotlin
-version: 6.0.0
+version: 6.0.1
 schema: 1
 scm: github.com/pubnub/kotlin
 files:
-  - build/libs/pubnub-kotlin-6.0.0-all.jar
+  - build/libs/pubnub-kotlin-6.0.1-all.jar
 sdks:
   - 
       type: library
@@ -233,6 +233,13 @@ sdks:
                   license-url: https://github.com/stleary/JSON-java/blob/20210307/LICENSE
                   is-required: Required
 changelog:
+  -
+    version: v6.0.1
+    date: 2021-05-25
+    changes:
+      -
+        type: bug
+        text: "There was missing PNAcknowledgmentCategory status callback after unsubscribe operation. Problem was caused by ungaught SSLException. This release provides a fix for the issue."
   -
     version: v6.0.0
     date: 2021-05-12
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3252945cd..c2912f835 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,8 @@
-## [v6.0.0](https://github.com/pubnub/kotlin/releases/tag/v6.0.0)
-May 12 2021
+## [v6.0.1](https://github.com/pubnub/kotlin/releases/tag/v6.0.1)
+May 25 2021
 
-[Full Changelog](https://github.com/pubnub/kotlin/compare/v5.1.3...v6.0.0)
+[Full Changelog](https://github.com/pubnub/kotlin/compare/v6.0.0...v6.0.1)
 
-- Random initialisation vector used when encryption enabled is now default behaviour. 
-- Bumping versions of used dependencies. 
-- There were some non daemon threads running in background preventing VM from exiting. Now they are daemon threads. 
+- There was missing PNAcknowledgmentCategory status callback after unsubscribe operation. Problem was caused by ungaught SSLException. This release provides a fix for the issue. 
 
 
diff --git a/README.md b/README.md
index bff287055..56239f748 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ You will need the publish and subscribe keys to authenticate your app. Get your
      <dependency>
         <groupId>com.pubnub</groupId>
         <artifactId>pubnub-gson</artifactId>
-        <version>6.0.0</version>
+        <version>6.0.1</version>
      </dependency>
      ```
 
diff --git a/build.gradle b/build.gradle
index b94d42524..f9e043b89 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ plugins {
 }
 
 group = 'com.pubnub'
-version = '6.0.0'
+version = '6.0.1'
 
 repositories {
     mavenCentral()
diff --git a/src/integrationTest/kotlin/com/pubnub/api/integration/SubscribeIntegrationTests.kt b/src/integrationTest/kotlin/com/pubnub/api/integration/SubscribeIntegrationTests.kt
index 26421aca2..86090dd4a 100644
--- a/src/integrationTest/kotlin/com/pubnub/api/integration/SubscribeIntegrationTests.kt
+++ b/src/integrationTest/kotlin/com/pubnub/api/integration/SubscribeIntegrationTests.kt
@@ -107,10 +107,18 @@ class SubscribeIntegrationTests : BaseIntegrationTest() {
     @Test
     fun testUnsubscribeFromAllChannels() {
         val success = AtomicBoolean()
+        val randomChannel = randomChannel()
+
+        pubnub.subscribeToBlocking(randomChannel)
 
         pubnub.addListener(object : SubscribeCallback() {
             override fun status(pubnub: PubNub, pnStatus: PNStatus) {
-                success.set(pubnub.getSubscribedChannels().isEmpty())
+                if (pnStatus.category == PNStatusCategory.PNAcknowledgmentCategory &&
+                    pnStatus.affectedChannels.contains(randomChannel) &&
+                    pnStatus.operation == PNOperationType.PNUnsubscribeOperation
+                ) {
+                    success.set(pubnub.getSubscribedChannels().isEmpty())
+                }
             }
         })
 
diff --git a/src/main/kotlin/com/pubnub/api/PubNub.kt b/src/main/kotlin/com/pubnub/api/PubNub.kt
index 4eab5e3a8..bdbeaf017 100644
--- a/src/main/kotlin/com/pubnub/api/PubNub.kt
+++ b/src/main/kotlin/com/pubnub/api/PubNub.kt
@@ -79,7 +79,7 @@ class PubNub(val configuration: PNConfiguration) {
 
     private companion object Constants {
         private const val TIMESTAMP_DIVIDER = 1000
-        private const val SDK_VERSION = "6.0.0"
+        private const val SDK_VERSION = "6.0.1"
         private const val MAX_SEQUENCE = 65535
     }
 
diff --git a/src/main/kotlin/com/pubnub/okhttp3/PNCall.kt b/src/main/kotlin/com/pubnub/okhttp3/PNCall.kt
index a7f29d4ba..be935ee22 100644
--- a/src/main/kotlin/com/pubnub/okhttp3/PNCall.kt
+++ b/src/main/kotlin/com/pubnub/okhttp3/PNCall.kt
@@ -4,6 +4,7 @@ import okhttp3.Call
 import okhttp3.Connection
 import org.slf4j.LoggerFactory
 import java.net.SocketException
+import javax.net.ssl.SSLException
 import kotlin.reflect.full.declaredMemberFunctions
 import kotlin.reflect.jvm.isAccessible
 
@@ -17,6 +18,8 @@ internal class PNCall(
             realCall.getConnection()?.socket()?.shutdownInput()
         } catch (se: SocketException) {
             log.warn("Caught exception when canceling call", se)
+        } catch (_: SSLException) {
+            // we have to swallow this exception, otherwise cancel will break status delivery
         } catch (uoe: UnsupportedOperationException) {
             // silent catch
         }
diff --git a/src/test/kotlin/com/pubnub/api/legacy/PubNubTest.kt b/src/test/kotlin/com/pubnub/api/legacy/PubNubTest.kt
index 4232734e2..58da53438 100644
--- a/src/test/kotlin/com/pubnub/api/legacy/PubNubTest.kt
+++ b/src/test/kotlin/com/pubnub/api/legacy/PubNubTest.kt
@@ -67,7 +67,7 @@ class PubNubTest : BaseTest() {
     fun getVersionAndTimeStamp() {
         val version = pubnub.version
         val timeStamp = pubnub.timestamp()
-        assertEquals("6.0.0", version)
+        assertEquals("6.0.1", version)
         assertTrue(timeStamp > 0)
     }
 }