diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe06cb9..c173135 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.5.0-alpha.4
+
+- Switch to Hyper's GaiResolver to go around of a bug in the latest nightly.
+
 ## v0.5.0-alpha.1
 
 - Update to `std::future` and async/await, requiring a nightly compiler for now.
diff --git a/Cargo.toml b/Cargo.toml
index 65cd630..864be4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "a2"
-version = "0.5.0-alpha.3"
+version = "0.5.0-alpha.4"
 authors = [
   "Julius de Bruijn <julius@nauk.io>",
   "Sergey Tkachenko <seriy.tkachenko@gmail.com>",