diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a6de868156369d1042cc97b4d0370223440c123b..72857c99f71225266098e9d076eeca4c90d2a907 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -248,15 +248,14 @@ FileLicenceCheck:
     - CbmRoot_realData
 
 .realData_variables: &realData_variables
-    OS: "Debian10"
-    EXTRA_PATH: /opt/cmake/3.20.1/bin
+    OS: "Debian12"
     NCPU: 16
     RAW_DATA_PATH: "/opt/cbmsoft/beamtime-test-data/reduced/"
-    FAIRSOFT_VERSION: "apr21p2_root6"
+    FAIRSOFT_VERSION: "apr21p2"
     FAIRROOT_VERSION: "v18.6.7"
-    BASE_PATH: "/opt/cbmsoft"
-    SIMPATH: "$BASE_PATH/fairsoft_$FAIRSOFT_VERSION/installation"
-    FAIRROOTPATH: "$BASE_PATH/fairroot_${FAIRROOT_VERSION}-fairsoft_${FAIRSOFT_VERSION}"
+    BASE_PATH: "/opt/"
+    SIMPATH: "$BASE_PATH/fairsoft/$FAIRSOFT_VERSION"
+    FAIRROOTPATH: "$BASE_PATH/fairroot/${FAIRROOT_VERSION}_${FAIRSOFT_VERSION}"
     CHECK_GEO_HASH_CHANGE: "1"
 
 .apptainer_tag: &apptainer_tag