diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md
index b60a2eb1c868..1811db25643c 100644
--- a/nixos/doc/manual/release-notes/rl-2405.section.md
+++ b/nixos/doc/manual/release-notes/rl-2405.section.md
@@ -121,6 +121,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
 
 - The `power.ups` module now generates `upsd.conf`, `upsd.users` and `upsmon.conf` automatically from a set of new configuration options. This breaks compatibility with existing `power.ups` setups where these files were created manually. Back up these files before upgrading NixOS.
 
+- `unrar` was updated to v7. See [changelog](https://www.rarlab.com/unrar7notes.htm) for more information.
+
 - `k3s` was updated to [v1.29](https://github.com/k3s-io/k3s/releases/tag/v1.29.1%2Bk3s2). See [changelog and upgrade notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.29.md#urgent-upgrade-notes) for more information.
 
 - `k9s` was updated to v0.31. There have been various breaking changes in the config file format,
diff --git a/pkgs/by-name/un/unrar/package.nix b/pkgs/by-name/un/unrar/package.nix
index 8b4f46088b2d..ea97195c2ae3 100644
--- a/pkgs/by-name/un/unrar/package.nix
+++ b/pkgs/by-name/un/unrar/package.nix
@@ -5,12 +5,12 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "unrar";
-  version = "6.2.12";
+  version = "7.0.7";
 
   src = fetchzip {
     url = "https://www.rarlab.com/rar/unrarsrc-${finalAttrs.version}.tar.gz";
     stripRoot = false;
-    hash = "sha256-VAL3o9JGmkAcEssa/P/SL9nyxnigb7dX9YZBHrG9f0A=";
+    hash = "sha256-S7BMywydetDh1GINcK3k3fN9ciDoKTCAe/1tkgykoAQ=";
   };
 
   sourceRoot = finalAttrs.src.name;
diff --git a/pkgs/by-name/un/unrar_6/package.nix b/pkgs/by-name/un/unrar_6/package.nix
new file mode 100644
index 000000000000..5f2248ce847e
--- /dev/null
+++ b/pkgs/by-name/un/unrar_6/package.nix
@@ -0,0 +1,15 @@
+{ unrar
+, fetchzip
+}:
+
+unrar.overrideAttrs (finalAttrs: _: {
+  version = "6.2.12";
+
+  src = fetchzip {
+    url = "https://www.rarlab.com/rar/unrarsrc-${finalAttrs.version}.tar.gz";
+    stripRoot = false;
+    hash = "sha256-VAL3o9JGmkAcEssa/P/SL9nyxnigb7dX9YZBHrG9f0A=";
+  };
+
+  sourceRoot = finalAttrs.src.name;
+})
diff --git a/pkgs/tools/filesystems/rar2fs/default.nix b/pkgs/tools/filesystems/rar2fs/default.nix
index 3b42a7890fbd..0c752e711453 100644
--- a/pkgs/tools/filesystems/rar2fs/default.nix
+++ b/pkgs/tools/filesystems/rar2fs/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , autoreconfHook
 , fuse
-, unrar
+, unrar_6
 }:
 
 stdenv.mkDerivation rec {
@@ -23,10 +23,10 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [ autoreconfHook ];
-  buildInputs = [ fuse unrar ];
+  buildInputs = [ fuse unrar_6 ];
 
   configureFlags = [
-    "--with-unrar=${unrar.src}/unrar"
+    "--with-unrar=${unrar_6.src}/unrar"
     "--disable-static-unrar"
   ];