diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7581a20..7e5169bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 0.8.6
+
+- fix bug in qsp-units.heta: wrong `#defineUnits` for `mm`
+- fix strings for Simbio export
+- replace `ln` to `log` for Matlab/Simbio
+
 ## 0.8.5
 
 - fix bug with class names for easy renaming of class by webpack
diff --git a/package-lock.json b/package-lock.json
index 2e7351b3..dda66369 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "heta-compiler",
-  "version": "0.8.5",
+  "version": "0.8.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 2d557531..c34c1034 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "heta-compiler",
-  "version": "0.8.5",
+  "version": "0.8.6",
   "description": "Programming platform for Quantitative Systems Pharmacology modeling in NodeJS",
   "main": "src/index.js",
   "scripts": {