diff --git a/Gemfile.lock b/Gemfile.lock
index 1bfa5cf..02a3061 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,26 +2,25 @@ PATH
   remote: .
   specs:
     msg91 (0.1.0)
-      activesupport (>= 5.1.1, < 6.1.0)
+      activesupport (>= 5.1.1, < 7.1.0)
       unirest (~> 1.1.2)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.1)
+    activesupport (7.0.4.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
     addressable (2.3.8)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.2.0)
     diff-lcs (1.3)
-    i18n (1.8.2)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     json (1.8.6)
     mime-types (1.25.1)
-    minitest (5.14.1)
+    minitest (5.17.0)
     rake (13.0.1)
     rest-client (1.6.14)
       mime-types (~> 1.16)
@@ -38,14 +37,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.7)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     unirest (1.1.2)
       addressable (~> 2.3.5)
       json (~> 1.8.1)
       rest-client (~> 1.6.7)
-    zeitwerk (2.3.0)
 
 PLATFORMS
   ruby
diff --git a/msg91.gemspec b/msg91.gemspec
index 8ad1872..97bed7b 100644
--- a/msg91.gemspec
+++ b/msg91.gemspec
@@ -34,6 +34,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
 
-  spec.add_runtime_dependency 'activesupport', '>= 5.1.1', '< 6.1.0'
+  spec.add_runtime_dependency 'activesupport', '>= 5.1.1', '< 7.1.0'
   spec.add_runtime_dependency 'unirest', '~> 1.1.2'
 end