diff --git a/.travis.yml b/.travis.yml
index 75988e1..019888f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ rust:
   - stable
   - beta
   - nightly
-  - 1.24.0
+  - 1.26.0
 os:
   - linux
   - osx
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index d2a0d3b..9b13d9f 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -7,6 +7,10 @@
 - `ImGui::mouse_down`
 - `imgui-glutin-support` crate
 
+### Changed
+
+- Bump minimum Rust version to 1.26 (required by the parking_lot_core crate)
+
 ## [0.0.20] - 2018-08-13
 
 ### Fixed
diff --git a/README.markdown b/README.markdown
index eb15545..59f5690 100644
--- a/README.markdown
+++ b/README.markdown
@@ -2,7 +2,7 @@
 
 **Still fairly experimental!**
 
-Minimum Rust version: 1.24
+Minimum Rust version: 1.26
 
 [![Build Status](https://travis-ci.org/Gekkio/imgui-rs.svg?branch=master)](https://travis-ci.org/Gekkio/imgui-rs)
 [![Latest release on crates.io](https://meritbadge.herokuapp.com/imgui)](https://crates.io/crates/imgui)