diff --git a/Gemfile.lock b/Gemfile.lock
index 94333bbe4a0..e0f260750f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       colored2 (~> 3.1)
       nanaimo (~> 0.3.0)
       rexml (~> 3.2.4)
-    zeitwerk (2.4.2)
+    zeitwerk (2.5.1)
 
 PLATFORMS
   ruby
@@ -94,7 +94,7 @@ DEPENDENCIES
   cocoapods (~> 1.11, >= 1.11.2)
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 2.7.4p191
 
 BUNDLED WITH
-   1.17.2
+   2.2.29
diff --git a/scripts/update-ruby.sh b/scripts/update-ruby.sh
index a220ad84735..bb72719c43a 100755
--- a/scripts/update-ruby.sh
+++ b/scripts/update-ruby.sh
@@ -55,6 +55,9 @@ sed_i -e "s/^\(ruby '\)[^']*\('.*\)$/\1$VERSION\2/" template/Gemfile
 
 rm -f Gemfile.lock template/Gemfile.lock
 
+export BUNDLE_APP_CONFIG="$ROOT/.bundle"
+cp "$BUNDLE_APP_CONFIG/"* template/_bundle # sync!
+
 bundle lock
 (cd template && bundle lock)
 
diff --git a/template/Gemfile.lock b/template/Gemfile.lock
index 94333bbe4a0..e0f260750f1 100644
--- a/template/Gemfile.lock
+++ b/template/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       colored2 (~> 3.1)
       nanaimo (~> 0.3.0)
       rexml (~> 3.2.4)
-    zeitwerk (2.4.2)
+    zeitwerk (2.5.1)
 
 PLATFORMS
   ruby
@@ -94,7 +94,7 @@ DEPENDENCIES
   cocoapods (~> 1.11, >= 1.11.2)
 
 RUBY VERSION
-   ruby 2.6.3p62
+   ruby 2.7.4p191
 
 BUNDLED WITH
-   1.17.2
+   2.2.29