diff --git a/lib/searchkick.rb b/lib/searchkick.rb
index a697809..551463d 100644
--- a/lib/searchkick.rb
+++ b/lib/searchkick.rb
@@ -80,7 +80,7 @@ module Searchkick
   end
 
   def self.server_version
-    @server_version ||= opensearch? ? "7.10.2" : server_info["version"]["number"]
+    @server_version ||= server_info["version"]["number"]
   end
 
   def self.opensearch?
@@ -91,7 +91,11 @@ module Searchkick
   end
 
   def self.server_below?(version)
-    Gem::Version.new(server_version.split("-")[0]) < Gem::Version.new(version.split("-")[0])
+    if opensearch?
+      Gem::Version.new("7.10.2") < Gem::Version.new(version.split("-")[0])
+    else
+      Gem::Version.new(server_version.split("-")[0]) < Gem::Version.new(version.split("-")[0])
+    end
   end
 
   # memoize for performance
diff --git a/test/search_synonyms_test.rb b/test/search_synonyms_test.rb
index fca4ea1..ec4e72f 100644
--- a/test/search_synonyms_test.rb
+++ b/test/search_synonyms_test.rb
@@ -60,6 +60,8 @@ class SearchSynonymsTest < Minitest::Test
   end
 
   def test_reload_synonyms
+    skip if Searchkick.opensearch?
+
     if Searchkick.server_below?("7.3.0")
       error = assert_raises(Searchkick::Error) do
         Speaker.search_index.reload_synonyms
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 5fc96b4..479ac9c 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -19,7 +19,7 @@ Searchkick.index_suffix = ENV["TEST_ENV_NUMBER"] # for parallel tests
 # add to elasticsearch-7.0.0/config/
 Searchkick.wordnet_path = "wn_s.pl" if ENV["WORDNET"]
 
-puts "Running against Elasticsearch #{Searchkick.server_version}"
+puts "Running against #{Searchkick.opensearch? ? "OpenSearch" : "Elasticsearch"} #{Searchkick.server_version}"
 
 Searchkick.redis =
   if defined?(ConnectionPool)
--
libgit2 0.21.0