diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78f51227242..9a264d4ec9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,37 @@
 Change log
 ==========
 
+1.26.0 (2020-04-29)
+-------------------
+
+### Features
+
+- Add `docker context` support
+
+- Add missing test dependency `ddt` to `setup.py`
+
+- Add `--attach-dependencies` to command `up` for attaching to dependencies
+
+- Allow compatibility option with `COMPOSE_COMPATIBILITY` environment variable
+
+- Bump `Pytest` to 5.3.4 and add refactor compatibility with new version
+
+- Bump `OpenSSL` from 1.1.1f to 1.1.1g
+
+### Bugs
+
+- Properly escape values coming from env_files
+
+- Sync compose-schemas with upstream (docker/cli)
+
+- Remove `None` entries on exec command
+
+- Add `python-dotenv` to delegate `.env` file processing
+
+- Don't adjust output on terminal width when piped into another command
+
+- Show an error message when `version` attribute is malformed
+
 1.25.5 (2020-02-04)
 -------------------
 
diff --git a/compose/__init__.py b/compose/__init__.py
index 6d98c8f5e5e..a279559fb12 100644
--- a/compose/__init__.py
+++ b/compose/__init__.py
@@ -1,4 +1,4 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
-__version__ = '1.26.0-rc3'
+__version__ = '1.26.0-rc4'
diff --git a/script/run/run.sh b/script/run/run.sh
index f6dbe11dc23..2fd0b9d576c 100755
--- a/script/run/run.sh
+++ b/script/run/run.sh
@@ -15,7 +15,7 @@
 
 set -e
 
-VERSION="1.26.0-rc3"
+VERSION="1.26.0-rc4"
 IMAGE="docker/compose:$VERSION"