diff --git a/patches/220026.patch b/patches/220026.patch
new file mode 100644
index 00000000..05ce18f1
--- /dev/null
+++ b/patches/220026.patch
@@ -0,0 +1,68 @@
+From bd7bc857e3da164df6686be04a3cefa6a2a67cc0 Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte@vanpetegem.me>
+Date: Tue, 7 Mar 2023 20:01:24 +0100
+Subject: [PATCH 1/2] matrix-appservice-slack: 2.1.0 -> 2.1.1
+
+https://github.com/matrix-org/matrix-appservice-slack/releases/tag/2.1.1
+---
+ .../matrix-synapse/matrix-appservice-slack/package.json     | 4 ++--
+ .../servers/matrix-synapse/matrix-appservice-slack/pin.json | 6 +++---
+ 2 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-slack/package.json b/pkgs/servers/matrix-synapse/matrix-appservice-slack/package.json
+index dd5c93989c8dd..aa3225725df3f 100644
+--- a/pkgs/servers/matrix-synapse/matrix-appservice-slack/package.json
++++ b/pkgs/servers/matrix-synapse/matrix-appservice-slack/package.json
+@@ -1,6 +1,6 @@
+ {
+   "name": "matrix-appservice-slack",
+-  "version": "2.1.0",
++  "version": "2.1.1",
+   "description": "A Matrix <--> Slack bridge",
+   "engines": {
+     "node": ">=16 <=18"
+@@ -42,7 +42,7 @@
+     "axios": "^0.27.2",
+     "classnames": "^2.3.2",
+     "escape-string-regexp": "^4.0.0",
+-    "matrix-appservice-bridge": "^8.1.0",
++    "matrix-appservice-bridge": "^8.1.1",
+     "matrix-widget-api": "^1.1.1",
+     "minimist": "^1.2.6",
+     "nedb": "^1.8.0",
+diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-slack/pin.json b/pkgs/servers/matrix-synapse/matrix-appservice-slack/pin.json
+index 06d4e4b142665..7a9f4b44e263b 100644
+--- a/pkgs/servers/matrix-synapse/matrix-appservice-slack/pin.json
++++ b/pkgs/servers/matrix-synapse/matrix-appservice-slack/pin.json
+@@ -1,5 +1,5 @@
+ {
+-  "version": "2.1.0",
+-  "srcHash": "qAmbW/aDeBWTi1czQtrsb6d5TEYw9gYJ4lpJbaX9nb0=",
+-  "yarnHash": "1r5fqw7y8fzgjnl5xlr8djfmmkm8kqw5p3w12ffll6irwz90wajx"
++  "version": "2.1.1",
++  "srcHash": "+NO/V3EyqdxavnSTBU7weJnueL6+aCH3UWkqclpsId0=",
++  "yarnHash": "1pqv7g3xbfs4zhmyxy5p216kq2jwjfjzxw2dv2a7hl0qwk6igyki"
+ }
+
+From bc3335af8b5aff0c20551b7b5c932ecf83b9e17f Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte@vanpetegem.me>
+Date: Tue, 7 Mar 2023 20:02:00 +0100
+Subject: [PATCH 2/2] matrix-appservice-slack: add chvp to maintainers
+
+---
+ pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix b/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
+index 19ddce8cc855d..21e49c9b1e04e 100644
+--- a/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
++++ b/pkgs/servers/matrix-synapse/matrix-appservice-slack/default.nix
+@@ -47,7 +47,7 @@ mkYarnPackage rec {
+ 
+   meta = with lib; {
+     description = "A Matrix <--> Slack bridge";
+-    maintainers = with maintainers; [ beardhatcode ];
++    maintainers = with maintainers; [ beardhatcode chvp ];
+     license = licenses.asl20;
+   };
+ }