diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 668dcce44dbae6f4e1483afcf6a131bc777c4307..de3235fc937d11572cca38386529c4fe5826ebb9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -49,8 +49,8 @@ stages:
   <<: *only-default
   dependencies: []
   stage: build
-  # tags:
-  #   - altbuilder
+  tags:
+    - altbuilder
   script:
     - mkdir -p build && cd build
     - cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -GNinja -DANTLR4_JAR_LOCATION=/usr/bin/antlr-4.11.1-complete.jar ..