diff --git a/desktop/gnome2/glibmm/pspec.xml b/desktop/gnome2/glibmm/pspec.xml
index 6f3839c7a5..b7d9cf95e8 100644
--- a/desktop/gnome2/glibmm/pspec.xml
+++ b/desktop/gnome2/glibmm/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>library</IsA>
         <Summary>C++ interface for glib2</Summary>
         <Description>Glibmm is the official C++ interface for the popular GUI library GTK+. Highlights include typesafe callbacks and a comprehensive set of widgets that are easily extensible via inheritance.</Description>
-        <Archive sha1sum="3503d435e897170a926f1e8049381a99a89c33b7" type="tarxz">mirrors://gnome/glibmm/2.66/glibmm-2.66.2.tar.xz</Archive>
+        <Archive sha1sum="aee1ec5bc1b4dc7a2183fe7327e961ca82cb6b8a" type="tarxz">mirrors://gnome/glibmm/2.66/glibmm-2.66.4.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>meson</Dependency>
             <Dependency>libsigc++-devel</Dependency>
@@ -54,6 +54,13 @@
     </Package>
 
     <History>
+        <Update release="9">
+            <Date>2022-05-04</Date>
+            <Version>2.66.4</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="8">
             <Date>2021-10-06</Date>
             <Version>2.66.2</Version>