diff --git a/singularity-definitions/development/Singularity.gears-lidR b/singularity-definitions/development/Singularity.gears-lidR
index cd2660c..51365c7 100644
--- a/singularity-definitions/development/Singularity.gears-lidR
+++ b/singularity-definitions/development/Singularity.gears-lidR
@@ -43,6 +43,7 @@ Include: bash
   # Install lidR:
   add-apt-repository ppa:glasen/freetype2
   apt-get update && apt-get install -y freetype2-demos
+  apt-get update && apt-get install -y libcairo2-dev
   # apt-get install -y freetype
   R --slave -e 'install.packages(c("lidR"), repos="https://cloud.r-project.org/")'
   
@@ -144,4 +145,4 @@ ssh $USER@$HOSTNAME sview $1' >> /usr/local/bin/sview
   cd /usr/local/bin
   chmod 755 sacct salloc sbatch scancel sdiag sinfo sprio sreport sshare strigger sacctmgr sattach sbcast scontrol sgather smap squeue srun sstat sview    
   
-  cd ~
\ No newline at end of file
+  cd ~