diff --git a/.travis.yml b/.travis.yml
index 1c610f39da..4b59e25817 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,13 @@
 sudo: false
 language: python
 
+cache:
+  directories:
+    - "~/.platformio"
+    - "$TRAVIS_BUILD_DIR/tests/build/test1/.piolibdeps"
+    - "$TRAVIS_BUILD_DIR/tests/build/test2/.piolibdeps"
+    - "$TRAVIS_BUILD_DIR/tests/build/test3/.piolibdeps"
+
 matrix:
   fast_finish: true
   include: