diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe88a599..64fd9fb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,11 @@
 
 ### Fixed
 
+## 4.5.2 - 2024-02-16
+
+### Fixed
+- do not crash when a pid file was already deleted when trying to delete it
+
 ## 4.5.1 - 2024-02-16
 
 ### Fixed
diff --git a/Gemfile.lock b/Gemfile.lock
index 9fe6f351..93b0843f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    parallel_tests (4.5.1)
+    parallel_tests (4.5.2)
       parallel
 
 GEM
diff --git a/lib/parallel_tests/version.rb b/lib/parallel_tests/version.rb
index a9748370..3aac8cec 100644
--- a/lib/parallel_tests/version.rb
+++ b/lib/parallel_tests/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module ParallelTests
-  VERSION = '4.5.1'
+  VERSION = '4.5.2'
 end
diff --git a/spec/fixtures/rails60/Gemfile.lock b/spec/fixtures/rails60/Gemfile.lock
index 1b796853..67cf182f 100644
--- a/spec/fixtures/rails60/Gemfile.lock
+++ b/spec/fixtures/rails60/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.5.1)
+    parallel_tests (4.5.2)
       parallel
 
 GEM
diff --git a/spec/fixtures/rails61/Gemfile.lock b/spec/fixtures/rails61/Gemfile.lock
index b6e59691..846b2b35 100644
--- a/spec/fixtures/rails61/Gemfile.lock
+++ b/spec/fixtures/rails61/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.5.1)
+    parallel_tests (4.5.2)
       parallel
 
 GEM
diff --git a/spec/fixtures/rails70/Gemfile.lock b/spec/fixtures/rails70/Gemfile.lock
index 084f984e..a6cc7b60 100644
--- a/spec/fixtures/rails70/Gemfile.lock
+++ b/spec/fixtures/rails70/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    parallel_tests (4.5.1)
+    parallel_tests (4.5.2)
       parallel
 
 GEM