diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0e6a345..7e49dbd 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,6 +17,7 @@ jobs:
 
       matrix:
         ruby-version:
+          - "4.0"
           - "3"
           - "3.4"
           - "3.3"
diff --git a/lib/logtail/log_devices/http.rb b/lib/logtail/log_devices/http.rb
index fca7266..331bf34 100755
--- a/lib/logtail/log_devices/http.rb
+++ b/lib/logtail/log_devices/http.rb
@@ -1,4 +1,3 @@
-require "base64"
 require "msgpack"
 require "net/https"
 require "zlib"
diff --git a/logtail.gemspec b/logtail.gemspec
index 4a35eaa..59b84ad 100644
--- a/logtail.gemspec
+++ b/logtail.gemspec
@@ -26,6 +26,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency('msgpack', '~> 1.0')
+  spec.add_dependency('logger', '~> 1.0')
 
   spec.add_development_dependency('bundler-audit', '>= 0')
   spec.add_development_dependency('rails_stdout_logging', '>= 0')