diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7e8b8ab..0908385 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -35,7 +35,7 @@ jobs:
             cp -p config/instagram.yml.example config/instagram.yml
       - restore_cache:
           key: bundle-{{ checksum "Gemfile.lock" }}
-      - run: gem install bundler:1.17.3
+      - run: gem install bundler:2.2.15
       - run:
           name: bundle install
           command: |
diff --git a/Gemfile.lock b/Gemfile.lock
index 71e9c84..47bf69c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -412,4 +412,4 @@ DEPENDENCIES
   whenever (~> 0.9.4)
 
 BUNDLED WITH
-   1.17.3
+   2.2.15