diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17f9310..b96c43c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ set(sources
 
 set(dependencies
     freertos
-    esp_system
+    esp_timer
 
     cpputils
     date