diff --git a/lib/omniauth/google_oauth2/version.rb b/lib/omniauth/google_oauth2/version.rb
index c921db2..4afea47 100644
--- a/lib/omniauth/google_oauth2/version.rb
+++ b/lib/omniauth/google_oauth2/version.rb
@@ -2,6 +2,6 @@
 
 module OmniAuth
   module GoogleOauth2
-    VERSION = '1.1.3'
+    VERSION = '1.2.0'
   end
 end
diff --git a/lib/omniauth/strategies/google_oauth2.rb b/lib/omniauth/strategies/google_oauth2.rb
index 9acda88..7d7f4c2 100644
--- a/lib/omniauth/strategies/google_oauth2.rb
+++ b/lib/omniauth/strategies/google_oauth2.rb
@@ -76,17 +76,17 @@ def authorize_params
 
           # We have to manually verify the claims because the third parameter to
           # JWT.decode is false since no verification key is provided.
-          ::JWT::Verify.verify_claims(decoded,
-                                      verify_iss: true,
-                                      iss: ALLOWED_ISSUERS,
-                                      verify_aud: true,
-                                      aud: options.client_id,
-                                      verify_sub: false,
-                                      verify_expiration: true,
-                                      verify_not_before: true,
-                                      verify_iat: false,
-                                      verify_jti: false,
-                                      leeway: options[:jwt_leeway])
+          ::JWT::Claims.verify!(decoded,
+                                verify_iss: true,
+                                iss: ALLOWED_ISSUERS,
+                                verify_aud: true,
+                                aud: options.client_id,
+                                verify_sub: false,
+                                verify_expiration: true,
+                                verify_not_before: true,
+                                verify_iat: false,
+                                verify_jti: false,
+                                leeway: options[:jwt_leeway])
 
           hash[:id_info] = decoded
         end
diff --git a/omniauth-google-oauth2.gemspec b/omniauth-google-oauth2.gemspec
index 77a0105..67ca428 100644
--- a/omniauth-google-oauth2.gemspec
+++ b/omniauth-google-oauth2.gemspec
@@ -18,9 +18,9 @@ Gem::Specification.new do |gem|
   gem.files         = `git ls-files`.split("\n")
   gem.require_paths = ['lib']
 
-  gem.required_ruby_version = '>= 2.2'
+  gem.required_ruby_version = '>= 2.5'
 
-  gem.add_runtime_dependency 'jwt', '>= 2.0'
+  gem.add_runtime_dependency 'jwt', '>= 2.9'
   gem.add_runtime_dependency 'oauth2', '~> 2.0'
   gem.add_runtime_dependency 'omniauth', '~> 2.0'
   gem.add_runtime_dependency 'omniauth-oauth2', '~> 1.8'