diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5e55f31..76d91e3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
           gemfile: Gemfile
           elasticsearch: 7.14.0
         - ruby: 3.0
-          gemfile: Gemfile
+          gemfile: gemfiles/opensearch.gemfile
           opensearch: 1
         - ruby: 2.7
           gemfile: gemfiles/activerecord60.gemfile
diff --git a/gemfiles/opensearch.gemfile b/gemfiles/opensearch.gemfile
new file mode 100644
index 0000000..e9ec55c
--- /dev/null
+++ b/gemfiles/opensearch.gemfile
@@ -0,0 +1,18 @@
+source "https://rubygems.org"
+
+gemspec path: ".."
+
+gem "rake"
+gem "minitest", ">= 5"
+gem "activerecord", "~> 6.1.0"
+gem "activejob", "~> 6.1.0", require: "active_job"
+gem "actionpack", "~> 6.1.0"
+gem "sqlite3"
+gem "gemoji-parser"
+gem "typhoeus"
+gem "redis"
+gem "connection_pool"
+gem "kaminari"
+gem "elasticsearch", "< 7.14"
+gem "elasticsearch-xpack", ">= 7.8.0"
+gem "parallel_tests"
--
libgit2 0.21.0