diff --git a/README.rst b/README.rst
index 47f2bfb7d..ec663d3e1 100644
--- a/README.rst
+++ b/README.rst
@@ -96,7 +96,7 @@ Constraints
 -----------
 
 * Only maintained 3rd party libraries are used.
-* Uses PostgreSQL everywhere (9.4 - 11.3)
+* Uses PostgreSQL everywhere (9.4 - 12.3)
 * Environment variables for configuration (This won't work with Apache/mod_wsgi).
 
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