diff --git a/pkgs/servers/mir/common.nix b/pkgs/servers/mir/common.nix
index abe64a6559d2..331f839fbf4e 100644
--- a/pkgs/servers/mir/common.nix
+++ b/pkgs/servers/mir/common.nix
@@ -312,9 +312,14 @@ stdenv.mkDerivation (
       ]
       ++ lib.optionals (lib.strings.versionOlder version "2.17.0") [ "mircookie" ]
       ++ lib.optionals (lib.strings.versionAtLeast version "2.17.0") [
-        "mircommon-internal"
         "mirserver-internal"
       ]
+      ++
+        lib.optionals
+          (lib.strings.versionAtLeast version "2.17.0" && lib.strings.versionOlder version "2.26.0")
+          [
+            "mircommon-internal"
+          ]
       ++ lib.optionals (lib.strings.versionOlder version "2.25.0") [
         "mir-renderer-gl-dev"
         "mirrenderer"
diff --git a/pkgs/servers/mir/default.nix b/pkgs/servers/mir/default.nix
index fd220dbc6e41..8ab58ac56eb2 100644
--- a/pkgs/servers/mir/default.nix
+++ b/pkgs/servers/mir/default.nix
@@ -5,18 +5,9 @@ let
 in
 {
   mir = common {
-    version = "2.25.2";
-    hash = "sha256-+nahWuAcGWgxBM6/a2HWwDw5DkQpUt5i/CEGzTLwNQw=";
-    cargoHash = "sha256-fVD+RGU/2UGVihIktKg2+eDWmlWomDOAcrY6k2XwF1c=";
-    patches = [
-      # Fix leftover boost_system references when linking miracle-wm (library no longer exists)
-      # https://github.com/canonical/mir/pull/4721
-      (fetchpatch {
-        name = "mir-tests-mirtest.pc.in-Drop-remaining-references-to-boost_system.patch";
-        url = "https://github.com/canonical/mir/commit/14d396ecef4611e9182d78890a2d908439478799.patch";
-        hash = "sha256-IpX/7lkuYwoITzOz/gF5q7TAFUg4YH0IY2fWkorIEiM=";
-      })
-    ];
+    version = "2.26.0";
+    hash = "sha256-gADqNNkaYj8KQ67wWzUWT4LuTQh1S+w/qLhVDKdBH4Q=";
+    cargoHash = "sha256-bG2p5Gz34yQJLI1Wuejq6o+jXLn6O2eZE1XGddvxkV4=";
   };
 
   mir_2_15 = common {