diff --git a/ci/pipeline.yml b/ci/pipeline.yml
index 12a2a48..2f39b8d 100644
--- a/ci/pipeline.yml
+++ b/ci/pipeline.yml
@@ -40,8 +40,8 @@ jobs:
       TF_VAR_rds_internal_db_size: 20
       TF_VAR_rds_internal_db_name: ((development-rds-internal-db-name))
       TF_VAR_rds_internal_db_engine: postgres
-      TF_VAR_rds_internal_db_engine_version: 16.1
-      TF_VAR_rds_internal_db_parameter_group_family: postgres16
+      TF_VAR_rds_internal_db_engine_version: 12
+      TF_VAR_rds_internal_db_parameter_group_family: postgres12
       TF_VAR_rds_internal_multi_az: false
       TF_VAR_rds_internal_username: ((development-rds-internal-username))
       TF_VAR_rds_internal_password: ((development-rds-internal-password))
@@ -515,8 +515,8 @@ jobs:
       TF_VAR_rds_internal_db_size: 20
       TF_VAR_rds_internal_db_name: ((staging-rds-internal-db-name))
       TF_VAR_rds_internal_db_engine: postgres
-      TF_VAR_rds_internal_db_engine_version: 16.1
-      TF_VAR_rds_internal_db_parameter_group_family: postgres16
+      TF_VAR_rds_internal_db_engine_version: 12
+      TF_VAR_rds_internal_db_parameter_group_family: postgres12
       TF_VAR_rds_internal_multi_az: false
       TF_VAR_rds_internal_username: ((staging-rds-internal-username))
       TF_VAR_rds_internal_password: ((staging-rds-internal-password))