diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63eb5ed..4cfa393 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 0.8.6 [unreleased]
 
 - Added support for NoBrainer
+- Added `stem_conversions: false` option
 
 ## 0.8.5
 
diff --git a/lib/searchkick/reindex.rb b/lib/searchkick/reindex.rb
index 625b135..41096b4 100644
--- a/lib/searchkick/reindex.rb
+++ b/lib/searchkick/reindex.rb
@@ -91,7 +91,7 @@ module Searchkick
               searchkick_keyword: {
                 type: "custom",
                 tokenizer: "keyword",
-                filter: ["lowercase", "searchkick_stemmer"]
+                filter: ["lowercase"] + (options[:stem_conversions] == false ? [] : ["searchkick_stemmer"])
               },
               default_index: {
                 type: "custom",
--
libgit2 0.21.0