diff --git a/.travis.yml b/.travis.yml
index 2bd2336..197fc9b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,8 +12,9 @@ script:
     - cargo test --features load_extension
     - cargo test --features trace
     - cargo test --features functions
-    - cargo test --features "backup functions load_extension trace"
-    - cargo doc --no-deps --features "backup functions load_extension trace"
+    - cargo test --features cache
+    - cargo test --features "backup functions load_extension trace cache"
+    - cargo doc --no-deps --features "backup functions load_extension trace cache"
 
 after_success: |
     [ $TRAVIS_BRANCH = master ] &&