diff --git a/.gitlab/ci/build.yml b/.gitlab/ci/build.yml
index 4f58fb6321..669d95f250 100644
--- a/.gitlab/ci/build.yml
+++ b/.gitlab/ci/build.yml
@@ -116,6 +116,7 @@ build_esp_idf_tests_cmake_esp32:
   extends:
     - .build_esp_idf_tests_cmake_template
     - .rules:build:unit_test-esp32
+  parallel: 2
   variables:
     IDF_TARGET: esp32
 
@@ -123,6 +124,7 @@ build_esp_idf_tests_cmake_esp32s2:
   extends:
     - .build_esp_idf_tests_cmake_template
     - .rules:build:unit_test-esp32s2
+  parallel: 2
   variables:
     IDF_TARGET: esp32s2