diff --git a/conf/crystal.src b/conf/crystal.src
new file mode 100644
index 0000000..14ed0e2
--- /dev/null
+++ b/conf/crystal.src
@@ -0,0 +1,7 @@
+SOURCE_URL=https://github.com/crystal-lang/crystal/releases/download/0.36.1/crystal_0.36.1-1_amd64.deb
+SOURCE_SUM=bac79d5513911fc6ad1cf9d05571132e36a139e7cf0808acee518c57ab1aa563
+SOURCE_SUM_PRG=sha256sum
+SOURCE_FORMAT=deb
+SOURCE_IN_SUBDIR=true
+SOURCE_FILENAME=crystal_0.36.1-1_amd64.deb
+SOURCE_EXTRACT=false
diff --git a/scripts/_common.sh b/scripts/_common.sh
index a133771..77effa8 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="crystal apt-transport-https libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin libsqlite3-dev zlib1g-dev"
+pkg_dependencies="apt-transport-https libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin libsqlite3-dev zlib1g-dev" #crystal 
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index daa3cfd..3159fc0 100644
--- a/scripts/install
+++ b/scripts/install
@@ -69,10 +69,14 @@ ynh_script_progression --message="Installing dependencies..." --weight=9
 #ynh_exec_warn_less apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 379CE192D401AB61
 #ynh_install_extra_repo --repo="deb https://dl.bintray.com/crystal/deb all stable" --append
 
-ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --crystal=0.36 
+#ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --crystal=0.36 
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
+tempdir="$(mktemp -d)"
+ynh_setup_source --dest_dir=$tempdir --source_id=crystal
+ynh_exec_warn_less dpkg -i $tempdir/crystal_0.36.1-1_amd64.deb
+
 #=================================================
 # CREATE A POSTGRESQL DATABASE
 #=================================================