diff --git a/BACKERS.md b/BACKERS.md
new file mode 100644
index 00000000..5b14d027
--- /dev/null
+++ b/BACKERS.md
@@ -0,0 +1,9 @@
+# Sponsors & Backers
+
+Emmett is a BSD-licensed open source project. It's an independent project with its ongoing development made possible entirely thanks to the support by these awesome backers. If you'd like to join them, please consider:
+
+- [Become a backer or sponsor on Github](https://github.com/sponsors/gi0baro).
+
+## Sponsors
+
+- Kkeller83
diff --git a/emmett/__version__.py b/emmett/__version__.py
index ba51cedf..f394e699 100644
--- a/emmett/__version__.py
+++ b/emmett/__version__.py
@@ -1 +1 @@
-__version__ = "2.2.2"
+__version__ = "2.2.3"
diff --git a/pyproject.toml b/pyproject.toml
index 4bcc8c5c..9768d390 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "Emmett"
-version = "2.2.2"
+version = "2.2.3"
 description = "The web framework for inventors"
 authors = ["Giovanni Barillari <gi0baro@d4net.org>"]
 license = "BSD-3-Clause"
@@ -54,7 +54,7 @@ pyyaml = "^5.4"
 renoir = "^1.3"
 severus = "^1.1"
 uvicorn = "0.13.4"
-websockets = "^8.0"
+websockets = "^9.1"
 
 httptools = { version = "~0.1.1", markers = "sys_platform != 'win32'" }
 uvloop = { version = "~0.15.2", markers = "sys_platform != 'win32'" }
diff --git a/requirements.txt b/requirements.txt
index 1faa4863..ff1e397b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,14 @@
 click==7.1.2
 h11==0.10.0
-h2==4.0.0
-httptools==0.1.1; sys_platform != "win32"
-hyperframe==6.0.0
+h2==4.0.0;
+httptools==0.1.2; sys_platform != "win32"
 pendulum==2.1.2
 pyaes==1.6.1
 pydal==17.3
 python-rapidjson==1.0
 pyyaml==5.4.1
-renoir==1.3.2
+renoir==1.4.0
 severus==1.1.1
 uvicorn==0.13.4
 uvloop==0.15.2; sys_platform != "win32"
-websockets==8.1
+websockets==9.1