diff --git a/cnpg-pgvector/Dockerfile b/cnpg-pgvector/Dockerfile
index 89f7b2002..8df2d970b 100644
--- a/cnpg-pgvector/Dockerfile
+++ b/cnpg-pgvector/Dockerfile
@@ -1,5 +1,5 @@
 # CNPG operand image with pgvector extension
-ARG PG_MAJOR=15@sha256:6efd1836af0a31bee40e41d312f7752350dd7551a7d4e2e527444fa7d529a921
+ARG PG_MAJOR=16@sha256:28da9f9991b3a22103b37f31ab9e2b82cd046232b90487361a635eeab24ff660
 
 FROM ghcr.io/cloudnative-pg/postgresql:$PG_MAJOR as builder