diff --git a/Gemfile.template b/Gemfile.template
index f03636a6d0f..f5831479008 100644
--- a/Gemfile.template
+++ b/Gemfile.template
@@ -42,3 +42,7 @@ gem "jar-dependencies", "= 0.4.1" # Gem::LoadError with jar-dependencies 0.4.2
 gem "murmurhash3", "= 0.1.6" # Pins until version 0.1.7-java is released
 gem "thwait"
 gem "bigdecimal", "~> 3.1"
+
+# Pin plugins to avoid including those with breaking changes in development builds without a defined lockfile
+gem "logstash-input-beats", "~> 6"
+gem "logstash-output-http", "~> 5"