diff --git a/programming/language/python3/python3-matplotlib/pspec.xml b/programming/language/python3/python3-matplotlib/pspec.xml
index 369503e603..3a4d2ca21e 100644
--- a/programming/language/python3/python3-matplotlib/pspec.xml
+++ b/programming/language/python3/python3-matplotlib/pspec.xml
@@ -13,7 +13,7 @@
         <IsA>library</IsA>
         <Summary>matplotlib: plotting with Python.</Summary>
         <Description>Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python.</Description>
-        <Archive sha1sum="5746566f8705ed01eaf8618e18811bdee0b024c7" type="targz">https://github.com/matplotlib/matplotlib/archive/v3.4.3.tar.gz</Archive>
+        <Archive sha1sum="1367f8527fe5410d5ddfee0766a47bad820606c0" type="targz">https://github.com/matplotlib/matplotlib/archive/v3.3.1.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>pip3</Dependency>
             <Dependency>python3-devel</Dependency>
@@ -45,8 +45,8 @@
     <History>
         <Update release="4">
             <Date>2021-10-28</Date>
-            <Version>3.4.3</Version>
-            <Comment>Version bump.</Comment>
+            <Version>3.3.1</Version>
+            <Comment>Rebuild.</Comment>
             <Name>Mustafa Cinasal</Name>
             <Email>muscnsl@gmail.com</Email>
         </Update>