diff --git a/site-cookbooks/kosmos_postgresql/files/create_publications.sh b/site-cookbooks/kosmos_postgresql/files/create_publications.sh
index eda54ee..7b98acc 100644
--- a/site-cookbooks/kosmos_postgresql/files/create_publications.sh
+++ b/site-cookbooks/kosmos_postgresql/files/create_publications.sh
@@ -3,7 +3,7 @@ set -e
 
 echo "== Creating publication in each database =="
 
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "Processing DB: $db"
 
   # Create publication (idempotent)
diff --git a/site-cookbooks/kosmos_postgresql/files/drop_publications.sh b/site-cookbooks/kosmos_postgresql/files/drop_publications.sh
index 78c8b1b..834108f 100644
--- a/site-cookbooks/kosmos_postgresql/files/drop_publications.sh
+++ b/site-cookbooks/kosmos_postgresql/files/drop_publications.sh
@@ -3,7 +3,7 @@ set -e
 
 echo "== Dropping subscriptions slots and publications =="
 
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "Processing DB: $db"
 
   SLOT="migrate_slot_${db}"
diff --git a/site-cookbooks/kosmos_postgresql/files/drop_subscriptions.sh b/site-cookbooks/kosmos_postgresql/files/drop_subscriptions.sh
index a718eb5..424a022 100644
--- a/site-cookbooks/kosmos_postgresql/files/drop_subscriptions.sh
+++ b/site-cookbooks/kosmos_postgresql/files/drop_subscriptions.sh
@@ -3,7 +3,7 @@ set -e
 
 echo "== Dropping subscriptions =="
 
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "Processing DB: $db"
 
   SUB="migrate_sub_${db}"
diff --git a/site-cookbooks/kosmos_postgresql/files/dump_all_databases.sh b/site-cookbooks/kosmos_postgresql/files/dump_all_databases.sh
index 7339ab5..893787a 100644
--- a/site-cookbooks/kosmos_postgresql/files/dump_all_databases.sh
+++ b/site-cookbooks/kosmos_postgresql/files/dump_all_databases.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 cd /tmp && \
 (pg_dumpall --globals-only > globals.sql) && \
-psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN (''template1'')" | \
+psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN (''template0'',''postgres'')" | \
 xargs -I{} -P4 sh -c "
   pg_dump -Fd -j 4 -d \"{}\" -f dump_{} &&
   tar -cf - dump_{} | zstd -19 -T0 > dump_{}.tar.zst &&
diff --git a/site-cookbooks/kosmos_postgresql/files/fix_sequences_in_all_databases.sh b/site-cookbooks/kosmos_postgresql/files/fix_sequences_in_all_databases.sh
index 73b9a7d..f8fc2b2 100644
--- a/site-cookbooks/kosmos_postgresql/files/fix_sequences_in_all_databases.sh
+++ b/site-cookbooks/kosmos_postgresql/files/fix_sequences_in_all_databases.sh
@@ -3,7 +3,7 @@ set -e
 
 echo "== Fixing sequences across all databases =="
 
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "---- DB: $db ----"
 
   # Generate fix statements
diff --git a/site-cookbooks/kosmos_postgresql/files/list_publications.sh b/site-cookbooks/kosmos_postgresql/files/list_publications.sh
index 7459005..13ab742 100644
--- a/site-cookbooks/kosmos_postgresql/files/list_publications.sh
+++ b/site-cookbooks/kosmos_postgresql/files/list_publications.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "DB: $db"
   psql -d "$db" -Atqc "SELECT pubname FROM pg_publication;"
 done
diff --git a/site-cookbooks/kosmos_postgresql/files/list_subscriptions.sh b/site-cookbooks/kosmos_postgresql/files/list_subscriptions.sh
index 30796d5..3d95308 100644
--- a/site-cookbooks/kosmos_postgresql/files/list_subscriptions.sh
+++ b/site-cookbooks/kosmos_postgresql/files/list_subscriptions.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "==== DB: $db ===="
   psql -d "$db" -c "SELECT * FROM pg_stat_subscription;"
 done
diff --git a/site-cookbooks/kosmos_postgresql/templates/create_subscriptions.sh.erb b/site-cookbooks/kosmos_postgresql/templates/create_subscriptions.sh.erb
index 8d79c73..9ee5078 100644
--- a/site-cookbooks/kosmos_postgresql/templates/create_subscriptions.sh.erb
+++ b/site-cookbooks/kosmos_postgresql/templates/create_subscriptions.sh.erb
@@ -3,7 +3,7 @@ set -e
 
 echo "== Creating subscriptions for all databases =="
 
-for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1')"); do
+for db in $(psql -Atqc "SELECT datname FROM pg_database WHERE datallowconn AND datname NOT IN ('template1','postgres')"); do
   echo "Processing DB: $db"
 
   SLOT="migrate_slot_${db}"