diff --git a/desktop/gnome/base/mutter/pspec.xml b/desktop/gnome/base/mutter/pspec.xml
index 36137184c7..c455c8f039 100644
--- a/desktop/gnome/base/mutter/pspec.xml
+++ b/desktop/gnome/base/mutter/pspec.xml
@@ -13,7 +13,7 @@
         <Icon>gnome</Icon>
         <Summary>Mutter is a Wayland display server and X11 window manager and compositor library.</Summary>
         <Description>Mutter is a Wayland display server and X11 window manager and compositor library.</Description>
-        <Archive sha1sum="1b0495c0c5a6cd820259b602c4b414f5f29b5c9e" type="tarxz">https://download.gnome.org/sources/mutter/45/mutter-45.4.tar.xz</Archive>
+        <Archive sha1sum="1ffb44eb20c1cdf630c0aec73a0375eb510e366f" type="tarxz">https://download.gnome.org/sources/mutter/45/mutter-45.5.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>libei-devel</Dependency>
             <Dependency>gettext-devel</Dependency>
@@ -146,6 +146,13 @@
         </Files>
     </Package>
     <History>
+        <Update release="27">
+            <Date>2024-03-17</Date>
+            <Version>45.5</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="26">
             <Date>2024-02-12</Date>
             <Version>45.4</Version>