diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cf60e50..1506c1d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
-      matrix: { ruby: ['3.1', '3.2', '3.3'] }
+      matrix: { ruby: ['3.1', '3.2', '3.3', '3.4'] }
 
     steps:
     - name: Check out code
diff --git a/spec/approvals/cli/render/svg-code.svg b/spec/approvals/cli/render/svg-code.svg
index c88fc61..263cf68 100644
--- a/spec/approvals/cli/render/svg-code.svg
+++ b/spec/approvals/cli/render/svg-code.svg
@@ -1,7 +1,4 @@
-<svg width="140" height="100" style="background:#ddd" 
-  xmlns="http://www.w3.org/2000/svg"
-  xmlns:xlink="http://www.w3.org/1999/xlink">
-
+<svg width="140" height="100" style="background:#ddd" xmlns="http://www.w3.org/2000/svg">
 
 <rect x="10" y="10" width="120" height="80" rx="10" fill="#666"/>
 <circle cx="50" cy="50" r="30" fill="yellow"/>
@@ -10,5 +7,4 @@
 <circle cx="80" cy="50" r="4" fill="yellow"/>
 <circle cx="98" cy="50" r="4" fill="yellow"/>
 <circle cx="116" cy="50" r="4" fill="yellow"/>
-
 </svg>
diff --git a/spec/approvals/cli/render/watch b/spec/approvals/cli/render/watch
index c4b3ac6..e360382 100644
--- a/spec/approvals/cli/render/watch
+++ b/spec/approvals/cli/render/watch
@@ -1,8 +1,5 @@
 Watching spec/fixtures/render/pacman_dsl.rb for changes
-<svg width="140" height="100" style="background:#ddd" 
-  xmlns="http://www.w3.org/2000/svg"
-  xmlns:xlink="http://www.w3.org/1999/xlink">
-
+<svg width="140" height="100" style="background:#ddd" xmlns="http://www.w3.org/2000/svg">
 
 <rect x="10" y="10" width="120" height="80" rx="10" fill="#666"/>
 <circle cx="50" cy="50" r="30" fill="yellow"/>
@@ -11,5 +8,4 @@ Watching spec/fixtures/render/pacman_dsl.rb for changes
 <circle cx="80" cy="50" r="4" fill="yellow"/>
 <circle cx="98" cy="50" r="4" fill="yellow"/>
 <circle cx="116" cy="50" r="4" fill="yellow"/>
-
 </svg>
diff --git a/victor-cli.gemspec b/victor-cli.gemspec
index c7cf1d3..750d994 100644
--- a/victor-cli.gemspec
+++ b/victor-cli.gemspec
@@ -24,6 +24,11 @@ Gem::Specification.new do |s|
   s.add_dependency 'requires', '~> 1.0'
   s.add_dependency 'rufo', '~> 0.12'
   s.add_dependency 'victor', '~> 0.4'
+  
+  # FIXME: Remove when resolved.
+  #        This is a sub-dependency of filewatcher which does not bundle logger.
+  #        ref: https://github.com/filewatcher/filewatcher/pull/272
+  s.add_dependency 'logger', '~> 1.6'
 
   s.metadata = {
     'bug_tracker_uri'       => 'https://github.com/DannyBen/victor-cli/issues',