diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6bf33d9..1b9858f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,13 +1,11 @@
 # CHANGELOG
 
-## 1.10.0
-
-* fix: `Map` now works with unpromoted constructor parameters
-* fix: restore throwing `NewInstanceReturnedButCannotBeSetOnTargetException`
-
 ## 1.9.4
 
 * deps: fix `symfony/stopwatch` dependency
+* fix: `Map` now works with unpromoted constructor parameters
+* fix: restore throwing `NewInstanceReturnedButCannotBeSetOnTargetException`
+* fix: do not run DebugPass if symfony/stopwatch is not present
 
 ## 1.9.3
 
diff --git a/src/DependencyInjection/CompilerPass/DebugPass.php b/src/DependencyInjection/CompilerPass/DebugPass.php
index 6e41330..bb2ae42 100644
--- a/src/DependencyInjection/CompilerPass/DebugPass.php
+++ b/src/DependencyInjection/CompilerPass/DebugPass.php
@@ -29,6 +29,12 @@
     #[\Override]
     public function process(ContainerBuilder $container): void
     {
+        // return if debug.stopwatch does not exist
+
+        if (!$container->has('debug.stopwatch')) {
+            return;
+        }
+
         // decorates all transformers using TraceableTransformer
 
         $dataCollector = new Reference('rekalogika.mapper.data_collector');