diff --git a/Gemfile.lock b/Gemfile.lock
index f2e97586..d54b5709 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,14 +58,12 @@ GEM
     escape (0.0.4)
     ethon (0.16.0)
       ffi (>= 1.15.0)
-    ffi (1.15.5)
     fourflusher (2.3.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
     httpclient (2.8.3)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    json (2.6.3)
     minitest (5.19.0)
     molinillo (0.8.0)
     nanaimo (0.3.0)
diff --git a/ios/ci_scripts/ci_post_clone.sh b/ios/ci_scripts/ci_post_clone.sh
index a334104e..d32f5eef 100644
--- a/ios/ci_scripts/ci_post_clone.sh
+++ b/ios/ci_scripts/ci_post_clone.sh
@@ -16,7 +16,6 @@ export GEM_HOME=$HOME/gems
 export PATH="$GEM_HOME/bin:$PATH"
 
 echo ">>> INSTALL BUNDLER"
-gem update --system 3.2.3
 gem install bundler --install-dir $GEM_HOME
 
 # Install dependencies