diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d0426d..eebf2cd 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 - n/a
 
+## [1.6.3] - 2019-01-13
+
+### Fixed
+
+- Fix error when timezone is an offset instead of an olson name. [#61](https://github.com/rlanvin/php-rrule/issues/61)
+- Fix VALUE is a valid param of EXDATE [#62](https://github.com/rlanvin/php-rrule/issues/62)
+
 ## [1.6.2] - 2018-09-18
 
 ### Fixed
@@ -144,7 +151,8 @@
 
 - First release, everything before that was unversioned (`dev-master` was used).
 
-[Unreleased]: https://github.com/rlanvin/php-rrule/compare/v1.6.2...HEAD
+[Unreleased]: https://github.com/rlanvin/php-rrule/compare/v1.6.3...HEAD
+[1.6.3]: https://github.com/rlanvin/php-rrule/compare/v1.6.2...v1.6.3
 [1.6.2]: https://github.com/rlanvin/php-rrule/compare/v1.6.1...v1.6.2
 [1.6.1]: https://github.com/rlanvin/php-rrule/compare/v1.6.0...v1.6.1
 [1.6.0]: https://github.com/rlanvin/php-rrule/compare/v1.5.1...v1.6.0
diff --git a/src/RRule.php b/src/RRule.php
index c1dd3c2..7b0187d 100755
--- a/src/RRule.php
+++ b/src/RRule.php
@@ -2370,7 +2370,7 @@ class RRule implements RRuleInterface
 
 				if ( $timezone === 'Z' ) {
 					$timezone = 'GMT'; // otherwise IntlDateFormatter::create fails because... reasons.
-				} elseif ( preg_match( '/[-+]\d{2}/', $timezone ) ) {
+				} elseif ( preg_match('/[-+]\d{2}/',$timezone) ) {
 					$timezone = 'GMT'.$timezone; // otherwise IntlDateFormatter::create fails because... other reasons.
 				}
 				$formatter = \IntlDateFormatter::create(