diff --git a/config/software/postgresql.rb b/config/software/postgresql.rb
index daf8957d99c602aa0162c7dfe3a445037584bd1a_Y29uZmlnL3NvZnR3YXJlL3Bvc3RncmVzcWwucmI=..3d820da547059bfd2858dbec8d1338faf460f0f5_Y29uZmlnL3NvZnR3YXJlL3Bvc3RncmVzcWwucmI= 100644
--- a/config/software/postgresql.rb
+++ b/config/software/postgresql.rb
@@ -16,7 +16,7 @@
 #
 
 name 'postgresql'
-default_version '14.17'
+default_version '14.15'
 
 license 'PostgreSQL'
 license_file 'COPYRIGHT'
@@ -30,8 +30,8 @@
 dependency 'libossp-uuid'
 dependency 'config_guess'
 
-version '14.17' do
-  source sha256: '6ce0ccd6403bf7f0f2eddd333e2ee9ba02edfa977c66660ed9b4b1057e7630a1'
+version '14.15' do
+  source sha256: '02e891e314b4e9ee24cbd78028dab7c73f9c1ba3e30835bcbef71fe220401fc5'
 end
 
 major_version = '14'
diff --git a/config/software/postgresql_new.rb b/config/software/postgresql_new.rb
index daf8957d99c602aa0162c7dfe3a445037584bd1a_Y29uZmlnL3NvZnR3YXJlL3Bvc3RncmVzcWxfbmV3LnJi..3d820da547059bfd2858dbec8d1338faf460f0f5_Y29uZmlnL3NvZnR3YXJlL3Bvc3RncmVzcWxfbmV3LnJi 100644
--- a/config/software/postgresql_new.rb
+++ b/config/software/postgresql_new.rb
@@ -16,7 +16,7 @@
 #
 
 name 'postgresql_new'
-default_version '16.8'
+default_version '16.6'
 
 license 'PostgreSQL'
 license_file 'COPYRIGHT'
@@ -31,8 +31,8 @@
 dependency 'libossp-uuid'
 dependency 'config_guess'
 
-version '16.8' do
-  source sha256: '9468083a56ce0ee7d294601b74dad3dd9fc69d87aff61f0a9fb63c813ff7efd8'
+version '16.6' do
+  source sha256: '23369cdaccd45270ac5dcc30fa9da205d5be33fa505e1f17a0418d2caeca477b'
 end
 
 major_version = '16'