diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3da63e8..90d2da8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,35 +1,35 @@
-image: docker:latest
+image: "docker:latest"
 
 services:
-  - docker:dind
+  - "docker:dind"
 
 before_script:
-  - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+  - "docker login -u \"$CI_REGISTRY_USER\" -p \"$CI_REGISTRY_PASSWORD\" $CI_REGISTRY"
 
 build-master:
-  stage: build
+  stage: "build"
   script:
-    - docker build --pull -t "$CI_REGISTRY_IMAGE" .
-    - docker push "$CI_REGISTRY_IMAGE"
+    - "docker build --pull -t \"$CI_REGISTRY_IMAGE\" ."
+    - "docker push \"$CI_REGISTRY_IMAGE\""
   only:
-    - master
+    - "master"
 
 build:
-  stage: build
+  stage: "build"
   script:
-    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG" .
-    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
+    - "docker build --pull -t \"$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG\" ."
+    - "docker push \"$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG\""
   except:
-    - master
+    - "master"
 
 deploy-github:
   stage: "deploy"
   before_script:
-    - docker login -u "$GITHUB_USER" -p "$GITHUB_PASSWORD"
-    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+    - "docker login -u \"$GITHUB_USER\" -p \"$GITHUB_PASSWORD\""
+    - "docker login -u \"$CI_REGISTRY_USER\" -p \"$CI_REGISTRY_PASSWORD\" $CI_REGISTRY"
   script:
-    - docker pull "$CI_REGISTRY_IMAGE"
-    - docker tag "$CI_REGISTRY_IMAGE" "$GITHUB_USER/$GITHUB_PROJECT"
-    - docker push "$GITHUB_USER/$GITHUB_PROJECT"
+    - "docker pull \"$CI_REGISTRY_IMAGE\""
+    - "docker tag \"$CI_REGISTRY_IMAGE\" \"$GITHUB_USER/$GITHUB_PROJECT\""
+    - "docker push \"$GITHUB_USER/$GITHUB_PROJECT\""
   only:
-    - master
+    - "master"
\ No newline at end of file