diff --git a/Gemfile.lock b/Gemfile.lock
index c975eaa..531bf89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     iban_bic (1.4.4)
-      rails (~> 6.1)
+      rails (>= 5.1)
       regexp-examples (~> 1.3)
 
 GEM
@@ -78,7 +78,7 @@ GEM
       simplecov (>= 0.15, < 0.22)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     crass (1.0.6)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
@@ -89,9 +89,9 @@ GEM
     generator_spec (0.9.4)
       activesupport (>= 3.0.0)
       railties (>= 3.0.0)
-    globalid (1.0.0)
+    globalid (1.0.1)
       activesupport (>= 5.0)
-    i18n (1.10.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     jaro_winkler (1.5.4)
@@ -104,7 +104,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.2)
     mini_portile2 (2.8.0)
-    minitest (5.15.0)
+    minitest (5.17.0)
     nio4r (2.5.8)
     nokogiri (1.13.3)
       mini_portile2 (~> 2.8.0)
@@ -188,7 +188,7 @@ GEM
     sqlite3 (1.4.2)
     thor (1.2.1)
     thread_safe (0.3.6)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.4.1)
     virtus (1.0.5)
@@ -199,7 +199,7 @@ GEM
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.5.4)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby