diff --git a/Gemfile b/Gemfile
index 88c8c267..238dd385 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,6 @@ source "https://rubygems.org"
 gemspec
 
 gem "pg", "~> 0.17", platform: :ruby
-gem "activerecord-jdbcpostgresql-adapter", "~> 1.3.9", platform: :jruby
+gem "activerecord-jdbcpostgresql-adapter", "~> 50.0", platform: :jruby
 gem "ffi-geos", platform: :jruby
 gem "byebug", platform: :mri_23
diff --git a/gemfiles/ar51.gemfile b/gemfiles/ar51.gemfile
index aad2b4af..675e8088 100644
--- a/gemfiles/ar51.gemfile
+++ b/gemfiles/ar51.gemfile
@@ -3,7 +3,7 @@
 source "https://rubygems.org"
 
 gem "pg", "~> 0.17", platform: :ruby
-gem "activerecord-jdbcpostgresql-adapter", "~> 1.3.9", platform: :jruby
+gem "activerecord-jdbcpostgresql-adapter", "~> 50.0", platform: :jruby
 gem "ffi-geos", platform: :jruby
 gem "byebug", platform: :mri_23
 gem "activerecord", "~> 5.1.0"