diff --git a/.travis.yml b/.travis.yml
index b2ae7d3..75ca4bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,6 @@ cache: bundler
 before_install: gem update --system && gem install bundler -v 1.17.3
 
 rvm:
-  - 2.3
-  - 2.4
   - 2.5
   - 2.6
   - ruby-head
diff --git a/Gemfile.lock b/Gemfile.lock
index cb0e981..25ed5a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    google_sign_in (1.1.2)
+    google_sign_in (1.2.0)
       google-id-token (>= 1.4.0)
       oauth2 (>= 1.4.0)
       rails (>= 5.2.0)