diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8afd772cf..2a10de1cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,25 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [20.0.0](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v19.3.1...v20.0.0) (2020-09-11)
+
+
+### ⚠ BREAKING CHANGES
+
+* **files:** files now chunked
+
+### Features
+
+* **files:** avoid initial unnecessary rechunking ([e80f7d7](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/e80f7d7a89e205ce53a70178e0b44d9b0ddf5b97))
+* **files:** chunk prune-unreferenced-files finer ([58c2420](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/58c242045887673f69c368668803574d829cc823))
+* **files:** chunking ([8f608c1](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/8f608c19552ef7bd6ce61af92496b3d5f5bf61b1))
+* **files:** content dependent chunking ([d624a95](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/d624a951c54bda86e04d440eba9901d2a65153b9))
+
+
+### Bug Fixes
+
+* zip handling & tests ([350ee79](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/commit/350ee79af3c8fcc480970166a559596873beab2a))
+
 ### [19.3.1](https://gitlab2.rz.ifi.lmu.de/uni2work/uni2work/compare/v19.3.0...v19.3.1) (2020-09-10)
 
 
diff --git a/package-lock.json b/package-lock.json
index 861a5b7aa..6ca453a6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "19.3.1",
+  "version": "20.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 4b11e5af3..eacb0b8a4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uni2work",
-  "version": "19.3.1",
+  "version": "20.0.0",
   "description": "",
   "keywords": [],
   "author": "",
diff --git a/package.yaml b/package.yaml
index c7ccdf75b..b49ed607c 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name:    uniworx
-version: 19.3.1
+version: 20.0.0
 
 dependencies:
   - base