diff --git a/Gemfile.lock b/Gemfile.lock
index 6b759e6..b90d8b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,21 +1,21 @@
 PATH
   remote: .
   specs:
-    pii-normalizer (0.1.0)
+    pii_normalizer (0.1.0)
       activesupport
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.0)
+    activesupport (6.0.3.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-      zeitwerk (~> 2.1, >= 2.1.8)
+      zeitwerk (~> 2.2, >= 2.2.2)
     coderay (1.1.2)
-    concurrent-ruby (1.1.5)
-    i18n (1.7.0)
+    concurrent-ruby (1.1.6)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     method_source (0.9.2)
     minitest (5.13.0)
@@ -24,9 +24,9 @@ GEM
       method_source (~> 0.9.0)
     rake (10.5.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
-    zeitwerk (2.2.0)
+    zeitwerk (2.3.0)
 
 PLATFORMS
   ruby
@@ -34,7 +34,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 2.0)
   minitest (~> 5.0)
-  pii-normalizer!
+  pii_normalizer!
   pry
   rake (~> 10.0)