diff -r ebd1e67c3d5f -r 78ce9733a54f src/server/plugins/postgresql/resource.c
--- a/src/server/plugins/postgresql/resource.c	Sun May 08 11:52:52 2022 +0200
+++ b/src/server/plugins/postgresql/resource.c	Sun May 08 12:07:58 2022 +0200
@@ -115,6 +115,7 @@
     if(res->connection) {
         PQfinish(res->connection);
     }
+    pool_free(pg->pool, res);
 }
 
 int pg_resourcepool_prepare(PgResourcePool *pg, PgResource *res) {