diff --git a/patches/133776.patch b/patches/133776.patch
new file mode 100644
index 00000000..2a0d0f1c
--- /dev/null
+++ b/patches/133776.patch
@@ -0,0 +1,31 @@
+From 18993ff63c1554a8e337b7ec208301d99a7adc90 Mon Sep 17 00:00:00 2001
+From: Charlotte Van Petegem <charlotte@vanpetegem.me>
+Date: Fri, 13 Aug 2021 16:23:05 +0200
+Subject: [PATCH] eid-mw: 5.0.23 -> 5.0.28
+
+---
+ pkgs/tools/security/eid-mw/default.nix | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/pkgs/tools/security/eid-mw/default.nix b/pkgs/tools/security/eid-mw/default.nix
+index a2a6caf2b1174..2b373360965ba 100644
+--- a/pkgs/tools/security/eid-mw/default.nix
++++ b/pkgs/tools/security/eid-mw/default.nix
+@@ -21,13 +21,13 @@
+ stdenv.mkDerivation rec {
+   pname = "eid-mw";
+   # NOTE: Don't just blindly update to the latest version/tag. Releases are always for a specific OS.
+-  version = "5.0.23";
++  version = "5.0.28";
+ 
+   src = fetchFromGitHub {
+-    rev = "v${version}";
+-    sha256 = "0annkm0hqhkpjmfa6ywvzgn1n9619baqdzdbhjfhzfi4hf7mml1d";
+-    repo = "eid-mw";
+     owner = "Fedict";
++    repo = "eid-mw";
++    rev = "v${version}";
++    sha256 = "rrrzw8i271ZZkwY3L6aRw2Nlz+GmDr/1ahYYlUBvtzo=";
+   };
+ 
+   nativeBuildInputs = [ autoreconfHook autoconf-archive pkg-config makeWrapper ];