diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e3a0ba0..f90e9f6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ build:composer:
   - curl -sS https://getcomposer.org/installer | php
   - php composer.phar install
   cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
+    key: "$CI_BUILD_REF_$CI_BUILD_REF_NAME"
     paths:
     - vendor/
 
@@ -24,9 +24,9 @@ test:7.0:
   script:
   - vendor/bin/phpunit -c tests/phpunit.xml --coverage-text
   cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
+    key: "$CI_BUILD_REF_$CI_BUILD_REF_NAME"
     paths:
-    - vendor/
+    - vendor
 
 test:7.1:
   stage: test
@@ -34,7 +34,7 @@ test:7.1:
   script:
   - vendor/bin/phpunit -c tests/phpunit.xml --coverage-text
   cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
+    key: "$CI_BUILD_REF_$CI_BUILD_REF_NAME"
     paths:
     - vendor/
 
@@ -51,6 +51,6 @@ release:
       - build/
     expire_in: 3 weeks
   cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
+    key: "$CI_BUILD_REF_$CI_BUILD_REF_NAME"
     paths:
     - vendor/
\ No newline at end of file