diff --git a/Makefile b/Makefile
index b426dd2b0..f211c97ba 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,3 @@
-name := 4chan-X
-
 ifdef ComSpec
   BIN := $(subst /,\,node_modules/.bin/)
   RMDIR := -rmdir /s /q
@@ -23,6 +21,9 @@ template_deps := package.json tools/template.js node_modules/lodash/package.json
 cat := node tools/cat.js
 cat_deps := tools/cat.js
 
+name := $(shell node -p "JSON.parse(require('fs').readFileSync('package.json')).name")
+version := $(shell node -p "JSON.parse(require('fs').readFileSync('version.json')).version")
+
 capitalized = $(filter-out a,$(foreach x,$1,$(subst a $(x),,$(sort a $(x)))))
 
 parts := \
@@ -206,9 +207,13 @@ install.json :
 	node tools/install.js
 	echo -> $@
 
+.events/CHANGELOG : version.json | .events
+	node tools/updcl.js
+	echo -> $@
+
 .SECONDARY :
 
-.PHONY: default all clean cleanall script crx release jshint install
+.PHONY: default all clean cleanall script crx release jshint install tag $(foreach i,1 2 3 4,$(bump$(i)))
 
 clean :
 	$(RMDIR) tmp testbuilds .events
@@ -226,3 +231,12 @@ release : $(release)
 jshint : $(jshint)
 
 install : .events/install
+
+tag : .events/CHANGELOG $(jshint) $(release)
+	git commit -am "Release $(name) v$(version)."
+	git tag -a $(version) -m "$(name) v$(version)."
+
+bump% :
+	$(MAKE) cleanall
+	node tools/bump.js $*
+	$(MAKE) tag install
diff --git a/package.json b/package.json
index 50e6522a5..e9f718c6d 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
   "devDependencies": {
     "coffee-script": "1.9.3",
     "crx": "^3.0.3",
+    "dateformat": "^1.0.12",
     "esprima": "^2.7.2",
     "font-awesome": "4.5.0",
     "grunt": "^1.0.1",
diff --git a/tools/bump.js b/tools/bump.js
new file mode 100644
index 000000000..2630c2532
--- /dev/null
+++ b/tools/bump.js
@@ -0,0 +1,26 @@
+var fs = require('fs');
+
+function bump(version, level) {
+  var parts = version.split('.');
+  var i;
+  for (i = 0; i < level; i++) {
+    parts[i] = (parts[i] || '0');
+  }
+  parts[level-1] = +parts[level-1] + 1;
+  for (i = level; i < parts.length; i++) {
+    parts[i] = '0';
+  }
+  return parts.join('.');
+}
+
+function setversion(version) {
+  var data = {version: version, date: new Date()};
+  fs.writeFileSync('version.json', JSON.stringify(data, null, 2));
+}
+
+var level = +process.argv[2];
+var v = JSON.parse(fs.readFileSync('version.json', 'utf8'));
+var oldversion = v.version;
+var version = bump(oldversion, level);
+setversion(version);
+console.log(`Version updated from v${oldversion} to v${version}.`);
diff --git a/tools/updcl.js b/tools/updcl.js
new file mode 100644
index 000000000..6e4c2f920
--- /dev/null
+++ b/tools/updcl.js
@@ -0,0 +1,35 @@
+var fs = require('fs');
+var dateFormat = require('dateformat');
+
+var pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'));
+var v   = JSON.parse(fs.readFileSync('version.json', 'utf8'));
+
+var name = pkg.name;
+var oldVersions = pkg.meta.oldVersions;
+var version = v.version;
+var date = v.date;
+
+var branch       = version.replace(/\.\d+$/, '');
+var headerLevel  = branch.replace(/(\.0)*$/, '').split('.').length;
+var headerPrefix = new Array(headerLevel + 1).join('#');
+var separator    = `${headerPrefix} v${branch}`;
+
+var today    = dateFormat(date, 'yyyy-mm-dd');
+var filename = `/builds/${name}-noupdate`;
+var ffLink   = `${oldVersions}${version}${filename}.user.js`;
+var crLink   = `${oldVersions}${version}${filename}.crx`;
+var line     = `**v${version}** *(${today})* - [[Firefox](${ffLink} \"Firefox version\")] [[Chromium](${crLink} \"Chromium version\")]`;
+
+var changelog = fs.readFileSync('CHANGELOG.md', 'utf8');
+
+var breakPos = changelog.indexOf(separator);
+if (breakPos < 0) throw new Error('Separator not found.');
+breakPos += separator.length;
+
+var prevVersion = changelog.substr(breakPos).match(/\*\*v([\d\.]+)\*\*/)[1];
+if (prevVersion.replace(/\.\d+$/, '') !== branch) {
+  line += `\n- Based on v${prevVersion}.`;
+}
+
+fs.writeFileSync('CHANGELOG.md', `${changelog.substr(0, breakPos)}\n\n${line}${changelog.substr(breakPos)}`, 'utf8');
+console.log(`Changelog updated for v${version}.`);