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-rw-r--r--actioncable/lib/action_cable/subscription_adapter/postgresql.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actioncable/lib/action_cable/subscription_adapter/postgresql.rb b/actioncable/lib/action_cable/subscription_adapter/postgresql.rb
index a9c0949950..e384ea4afb 100644
--- a/actioncable/lib/action_cable/subscription_adapter/postgresql.rb
+++ b/actioncable/lib/action_cable/subscription_adapter/postgresql.rb
@@ -1,6 +1,6 @@
# frozen_string_literal: true
-gem "pg", "~> 0.18"
+gem "pg", ">= 0.18", "< 2.0"
require "pg"
require "thread"
require "digest/sha1"