diff --git a/gems/redis/4.2/_test/with.rb b/gems/redis/4.2/_test/with.rb
new file mode 100644
index 000000000..6e943e0e1
--- /dev/null
+++ b/gems/redis/4.2/_test/with.rb
@@ -0,0 +1,6 @@
+redis = Redis.new
+
+redis.with do |conn|
+  conn.set "foo", "bar"
+end
+# => "OK"
diff --git a/gems/redis/4.2/redis.rbs b/gems/redis/4.2/redis.rbs
index 8c0d2855e..1de5d1ed8 100644
--- a/gems/redis/4.2/redis.rbs
+++ b/gems/redis/4.2/redis.rbs
@@ -276,4 +276,6 @@ class Redis
   # @see #eval
   # @see #evalsha
   def script: (Symbol, *untyped) -> untyped
+
+  def with: [T] () { (self) -> T } -> T
 end