diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63e70e3..1677336 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 3.6.1
+## 3.6.0
   - Remove ruby pipeline dependency. Starting from Logstash 8, Ruby execution engine is not available. All pipelines should use Java pipeline [#84](https://github.com/logstash-plugins/logstash-input-redis/pull/84)
 
 ## 3.5.1
diff --git a/lib/logstash/inputs/redis.rb b/lib/logstash/inputs/redis.rb
index 9722d8b..7f0a19b 100755
--- a/lib/logstash/inputs/redis.rb
+++ b/lib/logstash/inputs/redis.rb
@@ -3,6 +3,7 @@
 require "logstash/inputs/base"
 require "logstash/inputs/threadable"
 require 'redis'
+require "stud/interval"
 
 # This input will read events from a Redis instance; it supports both Redis channels and lists.
 # The list command (BLPOP) used by Logstash is supported in Redis v1.3.1+, and
diff --git a/logstash-input-redis.gemspec b/logstash-input-redis.gemspec
index 96cce30..9ef3f4c 100755
--- a/logstash-input-redis.gemspec
+++ b/logstash-input-redis.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-input-redis'
-  s.version         = '3.6.1'
+  s.version         = '3.6.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Reads events from a Redis instance"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"