diff --git a/packages/custom-elements/CHANGELOG.md b/packages/custom-elements/CHANGELOG.md
index 72b9006b..013f2b09 100644
--- a/packages/custom-elements/CHANGELOG.md
+++ b/packages/custom-elements/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [1.6.0] - 2023-03-30
 
 - Add support for `Element.toggleAttribute()` ([#541](https://github.com/webcomponents/polyfills/pull/541))
 - Update dependencies ([#542](https://github.com/webcomponents/polyfills/pull/542))
diff --git a/packages/custom-elements/package.json b/packages/custom-elements/package.json
index 0b3e84ae..4bb5e795 100644
--- a/packages/custom-elements/package.json
+++ b/packages/custom-elements/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webcomponents/custom-elements",
-  "version": "1.5.1",
+  "version": "1.6.0",
   "publishConfig": {
     "access": "public"
   },
@@ -37,6 +37,6 @@
   ],
   "devDependencies": {
     "@webcomponents/html-imports": "^1.3.0",
-    "@webcomponents/shadydom": "^1.10.0"
+    "@webcomponents/shadydom": "^1.11.0"
   }
 }
diff --git a/packages/shadydom/CHANGELOG.md b/packages/shadydom/CHANGELOG.md
index 48238293..819b1bfa 100644
--- a/packages/shadydom/CHANGELOG.md
+++ b/packages/shadydom/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [1.11.0] - 2022-10-20
 
 - Add support for `Element.toggleAttribute()` ([#541](https://github.com/webcomponents/polyfills/pull/541))
 - Update dependencies ([#542](https://github.com/webcomponents/polyfills/pull/542))
diff --git a/packages/shadydom/package.json b/packages/shadydom/package.json
index f4172cfd..7ca0e47e 100644
--- a/packages/shadydom/package.json
+++ b/packages/shadydom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webcomponents/shadydom",
-  "version": "1.10.0",
+  "version": "1.11.0",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/tests/package.json b/packages/tests/package.json
index 80decdb7..b27779af 100644
--- a/packages/tests/package.json
+++ b/packages/tests/package.json
@@ -14,13 +14,13 @@
     "@web/test-runner-mocha": "^0.7.5",
     "@web/test-runner-playwright": "^0.8.9",
     "@web/test-runner-saucelabs": "^0.8.1",
-    "@webcomponents/custom-elements": "^1.5.0",
+    "@webcomponents/custom-elements": "^1.6.0",
     "@webcomponents/formdata-event": "^0.0.3",
     "@webcomponents/html-imports": "^1.3.0",
     "@webcomponents/shadycss": "^1.11.0",
-    "@webcomponents/shadydom": "^1.9.0",
+    "@webcomponents/shadydom": "^1.11.0",
     "@webcomponents/template": "^1.5.0",
-    "@webcomponents/webcomponentsjs": "^2.6.0",
+    "@webcomponents/webcomponentsjs": "^2.8.0",
     "browser-capabilities": "^1.1.4",
     "chai": "^4.3.6",
     "core-js": "^3.22.0",
diff --git a/packages/webcomponentsjs/CHANGELOG.md b/packages/webcomponentsjs/CHANGELOG.md
index b35e18c0..502fa4dc 100644
--- a/packages/webcomponentsjs/CHANGELOG.md
+++ b/packages/webcomponentsjs/CHANGELOG.md
@@ -6,11 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic
 Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
-
-- Update dependencies ([#542](https://github.com/webcomponents/polyfills/pull/542))
+## [2.8.0] - 2022-10-20
 
 - Polyfill `Element.toggleAttribute()`. ([#541](https://github.com/webcomponents/polyfills/pull/541))
+- Update dependencies ([#542](https://github.com/webcomponents/polyfills/pull/542))
 
 ## [2.7.0] - 2022-10-20
 
diff --git a/packages/webcomponentsjs/package.json b/packages/webcomponentsjs/package.json
index d08b6722..6e017cd3 100644
--- a/packages/webcomponentsjs/package.json
+++ b/packages/webcomponentsjs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webcomponents/webcomponentsjs",
-  "version": "2.7.0",
+  "version": "2.8.0",
   "publishConfig": {
     "access": "public"
   },
@@ -38,9 +38,9 @@
     "shim"
   ],
   "devDependencies": {
-    "@webcomponents/custom-elements": "^1.5.1",
+    "@webcomponents/custom-elements": "^1.6.0",
     "@webcomponents/shadycss": "^1.11.1",
-    "@webcomponents/shadydom": "^1.10.0",
+    "@webcomponents/shadydom": "^1.11.0",
     "@webcomponents/template": "^1.5.0",
     "@webcomponents/url": "^0.7.8",
     "babel-preset-minify": "^0.4.3",