diff --git a/pkgs/by-name/ma/matrix-tuwunel/doctest-fix.patch b/pkgs/by-name/ma/matrix-tuwunel/doctest-fix.patch
new file mode 100644
index 000000000000..18c47bdde3e3
--- /dev/null
+++ b/pkgs/by-name/ma/matrix-tuwunel/doctest-fix.patch
@@ -0,0 +1,13 @@
+diff --git i/src/core/utils/debug.rs w/src/core/utils/debug.rs
+index 31163a54..859dd9a9 100644
+--- i/src/core/utils/debug.rs
++++ w/src/core/utils/debug.rs
+@@ -28,7 +28,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ /// use tuwunel_core::utils::debug::slice_truncated;
+ ///
+ /// #[tracing::instrument(fields(foos = slice_truncated(foos, 42)))]
+-/// fn bar(foos: &[&str]);
++/// fn bar(foos: &[&str]) { }
+ /// ```
+ pub fn slice_truncated<T: fmt::Debug>(
+ 	slice: &[T],
diff --git a/pkgs/by-name/ma/matrix-tuwunel/package.nix b/pkgs/by-name/ma/matrix-tuwunel/package.nix
index f51d689da539..d997594e2435 100644
--- a/pkgs/by-name/ma/matrix-tuwunel/package.nix
+++ b/pkgs/by-name/ma/matrix-tuwunel/package.nix
@@ -85,16 +85,20 @@ let
 in
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "matrix-tuwunel";
-  version = "1.3.0";
+  version = "1.4.1";
 
   src = fetchFromGitHub {
     owner = "matrix-construct";
     repo = "tuwunel";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-RuvGoXe/O48mQ4/rN+fh2N1NZ4uhvdtI1q4tRM/bRSE=";
+    hash = "sha256-41oQfqdsHjm3fBaG+y+Q7eru7LzSIwOc6K5A29Jmt2c=";
   };
 
-  cargoHash = "sha256-LwVJe9EqBT7x7eBTzvo4Lu1geNI7CWpsIDNWL8AAg+U=";
+  cargoHash = "sha256-bTLKsWsma+a4ZD5ujJJ0xYvk769umIsTNE21KUTJj0U=";
+
+  patches = [
+    ./doctest-fix.patch
+  ];
 
   nativeBuildInputs = [
     pkg-config