diff --git a/.github/workflows/test_11g.yml b/.github/workflows/test_11g.yml
index 5defc41e9..1a5ca101f 100644
--- a/.github/workflows/test_11g.yml
+++ b/.github/workflows/test_11g.yml
@@ -36,6 +36,7 @@ jobs:
       DATABASE_HOST: localhost
       DATABASE_PORT: 1521
       DATABASE_VERSION: 11.2.0.2
+      DATABASE_SERVER_AND_CLIENT_VERSION_DO_NOT_MATCH: true
 
     services:
       oracle:
diff --git a/spec/active_record/oracle_enhanced/type/timestamp_spec.rb b/spec/active_record/oracle_enhanced/type/timestamp_spec.rb
index 95ee5107d..bf2b9f8df 100644
--- a/spec/active_record/oracle_enhanced/type/timestamp_spec.rb
+++ b/spec/active_record/oracle_enhanced/type/timestamp_spec.rb
@@ -35,6 +35,7 @@
   end
 
   describe "/ TIMESTAMP WITH TIME ZONE values from ActiveRecord model" do
+    skip if ENV["DATABASE_SERVER_AND_CLIENT_VERSION_DO_NOT_MATCH"] == "true"
     before(:all) do
       class ::TestEmployee < ActiveRecord::Base
       end