diff --git a/gemfiles/mysql2/master.gemfile b/gemfiles/mysql2/master.gemfile
index 99de96d1..dafeeff9 100644
--- a/gemfiles/mysql2/master.gemfile
+++ b/gemfiles/mysql2/master.gemfile
@@ -6,7 +6,7 @@ gem "rake"
 
 group :test do
   platforms :jruby do
-    gem "activerecord-jdbcmysql-adapter"
+    gem "activerecord-jdbcmysql-adapter", github: "jruby/activerecord-jdbc-adapter"
   end
 
   platforms :ruby, :mswin, :mingw do
diff --git a/gemfiles/postgresql/master.gemfile b/gemfiles/postgresql/master.gemfile
index ed4af75d..5b508780 100644
--- a/gemfiles/postgresql/master.gemfile
+++ b/gemfiles/postgresql/master.gemfile
@@ -6,7 +6,7 @@ gem "rake"
 
 group :test do
   platforms :jruby do
-    gem "activerecord-jdbcpostgresql-adapter"
+    gem "activerecord-jdbcpostgresql-adapter", github: "jruby/activerecord-jdbc-adapter"
   end
 
   platforms :ruby, :mswin, :mingw do
diff --git a/gemfiles/sqlite3/master.gemfile b/gemfiles/sqlite3/master.gemfile
index 0f24c089..ee339446 100644
--- a/gemfiles/sqlite3/master.gemfile
+++ b/gemfiles/sqlite3/master.gemfile
@@ -6,7 +6,7 @@ gem "rake"
 
 group :test do
   platforms :jruby do
-    gem "activerecord-jdbcsqlite3-adapter"
+    gem "activerecord-jdbcsqlite3-adapter", github: "jruby/activerecord-jdbc-adapter"
   end
 
   platforms :ruby, :mswin, :mingw do