diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32f27d8..b341202 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 1.1.1
+  - Pin `csv` dependency to `< 3.2.6` to avoid a JRuby CSV.parse_line performance regression (on decode) introduced in csv 3.2.6 [#11](https://github.com/logstash-plugins/logstash-codec-csv/pull/11)
+
 ## 1.1.0
   - Feat: added target => namespace support + ECS compatibility [#7](https://github.com/logstash-plugins/logstash-codec-csv/pull/7)
 
diff --git a/logstash-codec-csv.gemspec b/logstash-codec-csv.gemspec
index efbb5c9..6b8329a 100644
--- a/logstash-codec-csv.gemspec
+++ b/logstash-codec-csv.gemspec
@@ -24,6 +24,8 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'logstash-mixin-ecs_compatibility_support', '~> 1.3'
   s.add_runtime_dependency 'logstash-mixin-event_support', '~> 1.0'
   s.add_runtime_dependency 'logstash-mixin-validator_support', '~> 1.0'
+  # TODO: unpin once https://github.com/ruby/csv/issues/361 is resolved
+  s.add_runtime_dependency 'csv', '< 3.2.6'
 
   s.add_development_dependency 'logstash-devutils'
 end
diff --git a/version b/version
index 9084fa2..8cfbc90 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-1.1.0
+1.1.1
\ No newline at end of file