diff --git a/app/templates/_base.html b/app/templates/_base.html
index f248e5a..f07cd49 100644
--- a/app/templates/_base.html
+++ b/app/templates/_base.html
@@ -414,7 +414,7 @@
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-            Powered by <a title="pyagsapi" href="https://github.com/BritishGeologicalSurvey/pyagsapi">pyagsapi 4.5.3</a>. pyagsapi was created by and is maintained by the <a href="https://www.bgs.ac.uk/">British Geological Survey</a> and  is distributed under the <a title="license" href="https://github.com/BritishGeologicalSurvey/pyagsapi/blob/main/LICENSE">LGPL v3.0 licence</a>, code is available on <a title="github" href="https://github.com/BritishGeologicalSurvey/pyagsapi">GitHub</a>. <a title="agspython" href="https://github.com/BritishGeologicalSurvey/pyagsapi">pyagsapi</a> uses the <a href="https://gitlab.com/ags-data-format-wg/ags-python-library.">Official AGS Python Library</a>.
+            Powered by <a title="pyagsapi" href="https://github.com/BritishGeologicalSurvey/pyagsapi">pyagsapi 4.6</a>. pyagsapi was created by and is maintained by the <a href="https://www.bgs.ac.uk/">British Geological Survey</a> and  is distributed under the <a title="license" href="https://github.com/BritishGeologicalSurvey/pyagsapi/blob/main/LICENSE">LGPL v3.0 licence</a>, code is available on <a title="github" href="https://github.com/BritishGeologicalSurvey/pyagsapi">GitHub</a>. <a title="agspython" href="https://github.com/BritishGeologicalSurvey/pyagsapi">pyagsapi</a> uses the <a href="https://gitlab.com/ags-data-format-wg/ags-python-library.">Official AGS Python Library</a>.
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     <footer>