diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d65dc4f..c4a74c53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,19 @@
 ## Unreleased
 ### Features
-[#256](https://github.com/influxdata/influxdb-client-go/pull/256) Allowing 'Doer' interface for HTTP requests
+ - [#256](https://github.com/influxdata/influxdb-client-go/pull/256) Allowing 'Doer' interface for HTTP requests
+
+### Bug fixes
+ - [#259](https://github.com/influxdata/influxdb-client-go/pull/259) Fixed leaking connection in case of not reading whole query result on TLS connection  
+
 
 ## 2.3.0 [2021-04-30]
 ### Breaking change
-[#253](https://github.com/influxdata/influxdb-client-go/pull/253) Interface 'Logger' extended with 'LogLevel() uint' getter.
+ - [#253](https://github.com/influxdata/influxdb-client-go/pull/253) Interface 'Logger' extended with 'LogLevel() uint' getter.
 
 ### Features
-[#241](https://github.com/influxdata/influxdb-client-go/pull/241),[#248](https://github.com/influxdata/influxdb-client-go/pull/248) Synced with InfluxDB 2.0.5 swagger:
-  - Setup (onboarding) now sends correctly retentionDuration if specified  
-  - `RetentionRule` used in `Bucket` now contains `ShardGroupDurationSeconds` to specify the shard group duration.
+ - [#241](https://github.com/influxdata/influxdb-client-go/pull/241),[#248](https://github.com/influxdata/influxdb-client-go/pull/248) Synced with InfluxDB 2.0.5 swagger:
+    - Setup (onboarding) now sends correctly retentionDuration if specified  
+    - `RetentionRule` used in `Bucket` now contains `ShardGroupDurationSeconds` to specify the shard group duration.
 
 ### Documentation
 1. [#242](https://github.com/influxdata/influxdb-client-go/pull/242) Documentation improvements:
diff --git a/api/http/options.go b/api/http/options.go
index 79ae772a..66ef5393 100644
--- a/api/http/options.go
+++ b/api/http/options.go
@@ -71,7 +71,7 @@ func (o *Options) OwnHTTPClient() bool {
 	return o.ownClient
 }
 
-
+// Doer allows proving custom Do for HTTP operations
 type Doer interface {
 	Do(*http.Request) (*http.Response, error)
 }
diff --git a/api/query.go b/api/query.go
index c93c86b6..f0976a28 100644
--- a/api/query.go
+++ b/api/query.go
@@ -355,6 +355,15 @@ func (q *QueryTableResult) Err() error {
 	return q.err
 }
 
+// Close reads remaining data and closes underlying Closer
+func (q *QueryTableResult) Close() error {
+	var err error
+	for err == nil {
+		_, err = q.csvReader.Read()
+	}
+	return q.Closer.Close()
+}
+
 // stringTernary returns a if not empty, otherwise b
 func stringTernary(a, b string) string {
 	if a == "" {