diff --git a/16/Dockerfile.c10s b/16/Dockerfile.c10s
index 87094422..65d4718c 100644
--- a/16/Dockerfile.c10s
+++ b/16/Dockerfile.c10s
@@ -11,7 +11,7 @@ FROM quay.io/sclorg/s2i-core-c10s:c10s
 #                           PostgreSQL administrative account
 
 ENV POSTGRESQL_VERSION=16 \
-    POSTGRESQL_PREV_VERSION=15 \
+    POSTGRESQL_PREV_VERSION=13 \
     HOME=/var/lib/pgsql \
     PGUSER=postgres \
     APP_DATA=/opt/app-root
diff --git a/16/Dockerfile.rhel10 b/16/Dockerfile.rhel10
index ab521491..eb8c7584 100644
--- a/16/Dockerfile.rhel10
+++ b/16/Dockerfile.rhel10
@@ -11,7 +11,7 @@ FROM ubi10/s2i-core
 #                           PostgreSQL administrative account
 
 ENV POSTGRESQL_VERSION=16 \
-    POSTGRESQL_PREV_VERSION=15 \
+    POSTGRESQL_PREV_VERSION=13 \
     HOME=/var/lib/pgsql \
     PGUSER=postgres \
     APP_DATA=/opt/app-root