diff --git a/CHANGES.md b/CHANGES.md
index 54c3704..e404dd1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,39 +1,39 @@
 # [1.0.3] (2017-12-13)
 
-[1.0.3]: https://github.com/cryptosphere/x25519/compare/v1.0.2...v1.0.3
+[1.0.3]: https://github.com/crypto-rb/x25519/compare/v1.0.2...v1.0.3
 
-* [#10](https://github.com/cryptosphere/x25519/pull/10)
+* [#10](https://github.com/crypto-rb/x25519/pull/10)
   Detect degenerate (i.e. all-zero) public keys (fixes #6)
 
 # [1.0.2] (2017-12-13)
 
-[1.0.2]: https://github.com/cryptosphere/x25519/compare/v1.0.1...v1.0.2
+[1.0.2]: https://github.com/crypto-rb/x25519/compare/v1.0.1...v1.0.2
 
-* [#9](https://github.com/cryptosphere/x25519/pull/9)
+* [#9](https://github.com/crypto-rb/x25519/pull/9)
   Make `X25519.provider` an `attr_accessor`
 * Raise `X25519::SelfTestFailure` when self-test fails
 
 # [1.0.1] (2017-12-12)
 
-[1.0.1]: https://github.com/cryptosphere/x25519/compare/v1.0.0...v1.0.1
+[1.0.1]: https://github.com/crypto-rb/x25519/compare/v1.0.0...v1.0.1
 
 * Have `X25519.self_test` return true on success
 
 # [1.0.0] (2017-12-12)
 
-[1.0.0]: https://github.com/cryptosphere/x25519/compare/v0.2.0...v1.0.0
+[1.0.0]: https://github.com/crypto-rb/x25519/compare/v0.2.0...v1.0.0
 
-* [#8](https://github.com/cryptosphere/x25519/pull/8)
+* [#8](https://github.com/crypto-rb/x25519/pull/8)
   Add self-test
 
-* [#7](https://github.com/cryptosphere/x25519/pull/7)
+* [#7](https://github.com/crypto-rb/x25519/pull/7)
   Factor providers into the `X25519::Provider` namespace
 
 # [0.2.0] (2017-12-12)
 
-[0.2.0]: https://github.com/cryptosphere/x25519/compare/v0.1.0...v0.2.0
+[0.2.0]: https://github.com/crypto-rb/x25519/compare/v0.1.0...v0.2.0
 
-* [#5](https://github.com/cryptosphere/x25519/pull/5)
+* [#5](https://github.com/crypto-rb/x25519/pull/5)
   Rewrite gem in Ruby with minimal native extensions
 
 # 0.1.0 (2017-12-11)
diff --git a/README.md b/README.md
index 806dccd..a3f11d0 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@
 
 [gem-shield]: https://badge.fury.io/rb/x25519.svg
 [gem-link]: https://rubygems.org/gems/x25519
-[build-image]: https://travis-ci.org/cryptosphere/x25519.svg?branch=master
-[build-link]: https://travis-ci.org/cryptosphere/x25519
+[build-image]: https://travis-ci.org/crypto-rb/x25519.svg?branch=master
+[build-link]: https://travis-ci.org/crypto-rb/x25519
 [appveyor-image]: https://ci.appveyor.com/api/projects/status/a245an53hsk05sn2?svg=true
 [appveyor-link]: https://ci.appveyor.com/project/tarcieri/x25519
 [docs-image]: https://img.shields.io/badge/yard-docs-blue.svg
@@ -28,7 +28,7 @@ Curve25519.
 [RFC7748]: https://tools.ietf.org/html/rfc7748
 [How to (pre-)compute a ladder]: https://eprint.iacr.org/2017/264
 [rfc7748_precomputed]: https://github.com/armfazh/rfc7748_precomputed
-[ed25519 gem]: https://github.com/cryptosphere/ed25519
+[ed25519 gem]: https://github.com/crypto-rb/ed25519
 
 ## Requirements
 
@@ -212,7 +212,7 @@ Returns a `String` containing a 32-byte compressed Montgomery-u coordinate
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/cryptosphere/x25519.
+Bug reports and pull requests are welcome on GitHub at https://github.com/crypto-rb/x25519.
 This project is intended to be a safe, welcoming space for collaboration,
 and contributors areexpected to adhere to the [Contributor Covenant](http://contributor-covenant.org)
 code of conduct.
@@ -263,4 +263,4 @@ GNU Lesser General Public License v3.0 ([LICENSE](https://www.gnu.org/licenses/l
 Everyone interacting in the x25519.rb project’s codebases, issue trackers, chat
 rooms and mailing lists is expected to follow the [code of conduct].
 
-[code of conduct]: https://github.com/cryptosphere/x25519/blob/master/CODE_OF_CONDUCT.md
+[code of conduct]: https://github.com/crypto-rb/x25519/blob/master/CODE_OF_CONDUCT.md
diff --git a/x25519.gemspec b/x25519.gemspec
index 9b4be14..330d223 100644
--- a/x25519.gemspec
+++ b/x25519.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
     exchange/agreement via the X25519 (a.k.a. Curve25519) Elliptic Curve
     Diffie-Hellman function as described in RFC 7748.
   DESCRIPTION
-  spec.homepage      = "https://github.com/cryptosphere/x25519"
+  spec.homepage      = "https://github.com/crypto-rb/x25519"
   spec.license       = "MIT"
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"