dev.yml in identity_cache-1.1.0 vs dev.yml in identity_cache-1.2.0

@@ -1,20 +1,18 @@
 name: identity-cache
 
 up:
   - homebrew:
-    - postgresql
     - mysql-client@5.7:
         or:        [mysql@5.7]
         conflicts: [mysql-connector-c, mysql, mysql-client]
-  - ruby: 2.6.5
-  - railgun
+  - ruby: 2.7.2
+  - isogun
   - bundler
 
 env:
   RAILGUN_HOST: identity-cache.railgun
   MYSQL_HOST: identity-cache.railgun
-  POSTGRES_HOST: identity-cache.railgun
   MEMCACHED_HOST: identity-cache.railgun
 
 commands:
   test:
     syntax: