diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ebc9a3846e197c5d6fd86bc851eff0c9aabb37be..f1e40f2b5e09fe74a334e6591c1ed4eddae04283 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ linux:
     - linux
   cache:
     paths:
-      ext/
+      - ext/
   variables:
     FTL_LIB: ../../build/SDK/C/libftl-dev.so
     LD_LIBRARY_PATH: /opt/pylon/lib/
@@ -73,7 +73,7 @@ windows-vision:
   stage: all
   cache:
     paths:
-      ext/
+      - ext/
   variables:
     CMAKE_ARGS: '-DENABLE_PROFILER=TRUE -DWITH_OPTFLOW=TRUE -DBUILD_VISION=TRUE -DBUILD_CALIBRATION=FALSE -DBUILDRECONSTRUCT=FALSE -DBUILDRENDERER=FALSE -DBUILD_TESTING=FALSE -DBUILD_TESTS=FALSE'
     DEPLOY_DIR: 'C:/Shared/AutoDeploy'
@@ -88,7 +88,7 @@ windows-master:
   stage: all
   cache:
     paths:
-      ext/
+      - ext/
   variables:
     CMAKE_ARGS: '-DWITH_OPTFLOW=TRUE'
     DEPLOY_DIR: 'C:/Shared/AutoDeploy'