diff --git a/Makefile b/Makefile
index ed75557..449c44f 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ JS_TEMP_FILE      = $(TARGET_DIR)/OOMAnalyser.js
 PY_SOURCE         = $(BASE_DIR)/OOMAnalyser.py
 TEST_FILE         = $(BASE_DIR)/test.py
 
-VERSION           = 0.5.0
+VERSION           = 0.6.0 (devel)
 RELEASE_DIR       = $(BASE_DIR)/release
 RELEASE_FILES     = $(HTML_FILE) $(JS_OUT_FILE) $(PY_SOURCE) $(TEST_FILE) rollup.config.js Makefile requirements.txt \
 				    LICENSE.txt  README.md
diff --git a/OOMAnalyser.html b/OOMAnalyser.html
index 094c486..c115f12 100644
--- a/OOMAnalyser.html
+++ b/OOMAnalyser.html
@@ -929,6 +929,20 @@ window.onerror = function (msg, url, lineNo, columnNo, errorObj) {
 </div>
 
 <div class="js-text--default-hide js-text--display-none" id="changelog">
+
+    <h3>Version 0.6.0 - 2022-XX-XX:</h3>
+
+    <h4>General</h4>
+    <ol>
+        <li>...</li>
+    </ol>
+
+    <h4>Note</h4>
+    See the
+    <a href="https://github.com/CarstenGrohmann/OOMAnalyser/compare/v0.5.0...master"
+       title="commit history">commit history</a>
+    of the repository for a full list of changes.
+
     <h3>Version 0.5.0 - 2022-01-12:</h3>
 
     <h4>General</h4>
@@ -948,7 +962,7 @@ window.onerror = function (msg, url, lineNo, columnNo, errorObj) {
 
     <h4>Note</h4>
     See the
-    <a href="https://github.com/CarstenGrohmann/OOMAnalyser/compare/v0.4.0...master"
+    <a href="https://github.com/CarstenGrohmann/OOMAnalyser/compare/v0.4.0...v0.5.0"
        title="commit history">commit history</a>
     of the repository for a full list of changes.
 
diff --git a/OOMAnalyser.py b/OOMAnalyser.py
index 95f77ca..5cb53d6 100644
--- a/OOMAnalyser.py
+++ b/OOMAnalyser.py
@@ -11,7 +11,7 @@ import re
 DEBUG = False
 """Show additional information during the development cycle"""
 
-VERSION = "0.5.0"
+VERSION = "0.6.0 (devel)"
 """Version number"""
 
 # __pragma__ ('skip')