diff --git a/nixos/doc/manual/from_md/release-notes/rl-2211.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2211.section.xml
index ad08caf3ce5c..dca3cb33904c 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2211.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2211.section.xml
@@ -436,6 +436,16 @@
           future Git update without notice.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <literal>openssh</literal> was updated to version 9.1,
+          disabling the generation of DSA keys when using
+          <literal>ssh-keygen -A</literal> as they are insecure. Also,
+          <literal>SetEnv</literal> directives in
+          <literal>ssh_config</literal> and
+          <literal>sshd_config</literal> are now first-match-wins
+        </para>
+      </listitem>
       <listitem>
         <para>
           <literal>bsp-layout</literal> no longer uses the command
diff --git a/nixos/doc/manual/release-notes/rl-2211.section.md b/nixos/doc/manual/release-notes/rl-2211.section.md
index 85c35b993ac4..517d5d9fa843 100644
--- a/nixos/doc/manual/release-notes/rl-2211.section.md
+++ b/nixos/doc/manual/release-notes/rl-2211.section.md
@@ -147,6 +147,8 @@ Available as [services.patroni](options.html#opt-services.patroni.enable).
 
 - The `fetchgit` fetcher now uses [cone mode](https://www.git-scm.com/docs/git-sparse-checkout/2.37.0#_internalscone_mode_handling) by default for sparse checkouts. [Non-cone mode](https://www.git-scm.com/docs/git-sparse-checkout/2.37.0#_internalsnon_cone_problems) can be enabled by passing `nonConeMode = true`, but note that non-cone mode is deprecated and this option may be removed alongside a future Git update without notice.
 
+- `openssh` was updated to version 9.1, disabling the generation of DSA keys when using `ssh-keygen -A` as they are insecure. Also, `SetEnv` directives in `ssh_config` and `sshd_config` are now first-match-wins
+
 - `bsp-layout` no longer uses the command `cycle` to switch to other window layouts, as it got replaced by the commands `previous` and `next`.
 
 - The Barco ClickShare driver/client package `pkgs.clickshare-csc1` and the option `programs.clickshare-csc1.enable` have been removed,
diff --git a/pkgs/tools/networking/openssh/default.nix b/pkgs/tools/networking/openssh/default.nix
index 55aec86bee57..7a2be129b8dd 100644
--- a/pkgs/tools/networking/openssh/default.nix
+++ b/pkgs/tools/networking/openssh/default.nix
@@ -6,11 +6,11 @@ in
 
   openssh = common rec {
     pname = "openssh";
-    version = "9.0p1";
+    version = "9.1p1";
 
     src = fetchurl {
       url = "mirror://openbsd/OpenSSH/portable/openssh-${version}.tar.gz";
-      sha256 = "12m2f9czvgmi7akp7xah6y7mrrpi280a3ksk47iwr7hy2q1475q3";
+      hash = "sha256-GfhQCcfj4jeH8CNvuxV4OSq01L+fjsX+a8HNfov90og=";
     };
 
     extraPatches = [ ./ssh-keysign-8.5.patch ];