diff --git a/CHANGELOG.org b/CHANGELOG.org
index 05af4deb7..d390fe934 100644
--- a/CHANGELOG.org
+++ b/CHANGELOG.org
@@ -1,3 +1,8 @@
+* 0.4.1
+** Bug fix patch
+- Previously we used =asdf:system-version= which is not defined in
+  older asdf versions, thus we have moved it to the more common
+  =asdf:component-version=
 * 0.4.0
 ** User Facing Changes
 - _Binary_
diff --git a/geb.asd b/geb.asd
index b0cace1e7..2c1c64474 100644
--- a/geb.asd
+++ b/geb.asd
@@ -5,7 +5,7 @@
                        :cl-reexport
                        :mgl-pax
                        :command-line-arguments)
-  :version "0.4.0"
+  :version "0.4.1"
   :description "Gödel, Escher, Bach, a categorical view of computation"
   :build-pathname "../build/geb.image"
   :entry-point "geb.entry::entry"