diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e3e052a7183a13fb2d147db32bc03260a34c3d36..49660b06252cb6c05febd23eac9f867ca90fc1ba 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -180,9 +180,10 @@ dedupData:
     for i in {"chr8","chr4","chrY"}; do
       echo "samtools view -b Q-Y5F6_1M.se.sorted.deduped.bam ${i} > Q-Y5F6_1M.se.sorted.deduped.${i}.bam; samtools index -@ 20 -b Q-Y5F6_1M.se.sorted.deduped.${i}.bam Q-Y5F6_1M.se.sorted.deduped.${i}.bam.bai;";
       done | singularity run 'docker://bicf/gudmaprbkdedup:2.0.0' parallel -j 20 -k
-  - pytest -m dedupData
-  - singularity run 'docker://bicf/gudmaprbkdedup:2.0.0' java -jar /picard/build/libs/picard.jar MarkDuplicates &> version_markdups.txt
+  - singularity run 'docker://bicf/gudmaprbkdedup:2.0.0' java -jar /picard/build/libs/picard.jar MarkDuplicates --version &> version_markdups.txt
   - singularity run 'docker://bicf/gudmaprbkdedup:2.0.0' samtools --version > version_samtools.txt
+  - pytest -m dedupData
+
   artifacts:
     name: "$CI_JOB_NAME"
     when: always