Update changelog. For the already-published version.

DanielKeep · DanielKeep · commit 7004fc65a363 · 2017-09-13T16:39:06.000+10:00
*oops.*
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,10 @@
 
+# v0.2.6
+
+**Fixed:**
+
+* Incompatibility with the version of Cargo shipped with Rust 1.16.0.
+
 # v0.2.5
 
 **New:**
