diff --git a/Gemfile.lock b/Gemfile.lock
index 0c973748..65112fdb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    parallel_tests (4.2.0)
+    parallel_tests (4.2.1)
       parallel
 
 GEM
diff --git a/lib/parallel_tests/version.rb b/lib/parallel_tests/version.rb
index 9db8f33f..afe816f7 100644
--- a/lib/parallel_tests/version.rb
+++ b/lib/parallel_tests/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module ParallelTests
-  VERSION = '4.2.0'
+  VERSION = '4.2.1'
 end
diff --git a/spec/fixtures/rails60/Gemfile.lock b/spec/fixtures/rails60/Gemfile.lock
index 3e708d93..24bd68f1 100644
--- a/spec/fixtures/rails60/Gemfile.lock
+++ b/spec/fixtures/rails60/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.2.0)
+    parallel_tests (4.2.1)
       parallel
 
 GEM
diff --git a/spec/fixtures/rails61/Gemfile.lock b/spec/fixtures/rails61/Gemfile.lock
index 72fb07c4..1205d131 100644
--- a/spec/fixtures/rails61/Gemfile.lock
+++ b/spec/fixtures/rails61/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.2.0)
+    parallel_tests (4.2.1)
       parallel
 
 GEM
diff --git a/spec/fixtures/rails70/Gemfile.lock b/spec/fixtures/rails70/Gemfile.lock
index cd6af447..f970b561 100644
--- a/spec/fixtures/rails70/Gemfile.lock
+++ b/spec/fixtures/rails70/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.2.0)
+    parallel_tests (4.2.1)
       parallel
 
 GEM