diff --git a/Gemfile.lock b/Gemfile.lock
index 810c13ca..b66438f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,9 +170,8 @@ GEM
     concurrent-ruby (1.1.10)
     countable-rails (0.0.1)
       railties (>= 3.1)
-    countries (5.0.2)
-      i18n_data (~> 0.16.0)
-      sixarm_ruby_unaccent (~> 1.1)
+    countries (5.3.0)
+      unaccent (~> 0.3)
     country_select (7.0.0)
       countries (~> 5.0)
       sort_alphabetical (~> 1.1)
@@ -263,8 +262,6 @@ GEM
       domain_name (~> 0.5)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    i18n_data (0.16.0)
-      simple_po_parser (~> 1.1)
     icalendar (2.7.1)
       ice_cube (~> 0.16)
     ice_cube (0.16.4)
@@ -551,7 +548,6 @@ GEM
     sexp_processor (4.16.1)
     shoulda-matchers (5.1.0)
       activesupport (>= 5.2.0)
-    simple_po_parser (1.1.6)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -561,7 +557,6 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    sixarm_ruby_unaccent (1.2.0)
     skylight (5.3.3)
       activesupport (>= 5.2.0)
     sort_alphabetical (1.1.0)
@@ -596,6 +591,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
+    unaccent (0.4.0)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8.2)