diff --git a/README.md b/README.md
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+++ b/README.md
@@ -7,7 +7,7 @@
 
 Prometheus exporter for PostgreSQL server metrics.
 
-CI Tested PostgreSQL versions: `9.4`, `9.5`, `9.6`, `10`, `11`, `12`, `13`, `14`, `15`
+CI Tested PostgreSQL versions: `10`, `11`, `12`, `13`, `14`, `15`
 
 ## Quick Start
 This package is available for Docker: