diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8545e48..755eb86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.11.3+14
+
+* Remove single quote ("'" - ASCII 39) from boundary characters.
+  Causes issues with Google Cloud Storage.
+
 ## 0.11.3+13
 
 * remove boundary characters that package:http_parser cannot parse.
diff --git a/lib/src/boundary_characters.dart b/lib/src/boundary_characters.dart
index 03b7ac2..cc5742a 100644
--- a/lib/src/boundary_characters.dart
+++ b/lib/src/boundary_characters.dart
@@ -10,7 +10,7 @@
 /// [RFC 2046]: http://tools.ietf.org/html/rfc2046#section-5.1.1.
 /// [RFC 1521]: https://tools.ietf.org/html/rfc1521#section-4
 const List<int> BOUNDARY_CHARACTERS = const <int>[
-  39, 43, 95, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
+  43, 95, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
   65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
   84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106,
   107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
diff --git a/pubspec.yaml b/pubspec.yaml
index 7bad9f0..d0d56a4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: http
-version: 0.11.3+13
+version: 0.11.3+14
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/http
 description: A composable, Future-based API for making HTTP requests.
@@ -12,4 +12,4 @@
 dev_dependencies:
   unittest: ">=0.9.0 <0.12.0"
 environment:
-  sdk: ">=1.23.0-dev.0.0 <2.0.0"
+  sdk: ">=1.23.0 <2.0.0"