diff --git a/bin/install b/bin/install
index 59632d7946e77fd8a859345a428654faa06e0a35..7dadee94439fd310b0b40b8942f89a3e63a600b4 100755
--- a/bin/install
+++ b/bin/install
@@ -181,22 +181,12 @@ get_download_url() {
   local ruby_version=$(get_ruby_version $version)
 
   if [ "${ruby_type}" = "ruby" ]; then
-    local ruby_base_version=$(get_ruby_base_version $ruby_version)
-    echo "http://cache.ruby-lang.org/pub/ruby/${ruby_base_version}/ruby-${ruby_version}.tar.gz"
+    echo "http://cache.ruby-lang.org/pub/ruby/ruby-${ruby_version}.tar.gz"
   elif [ "${ruby_type}" = "jruby" ]; then
     echo "https://s3.amazonaws.com/jruby.org/downloads/${ruby_version}/jruby-bin-${ruby_version}.tar.gz"
   fi
 }
 
-
-get_ruby_base_version() {
-  IFS='-' read -a version_info <<< "$1"
-  IFS='.' read -a version <<< "${version_info[0]}"
-
-  echo "${version[0]}.${version[1]}"
-}
-
-
 get_ruby_version() {
   IFS='-' read -a version_info <<< "$1"
 
diff --git a/bin/list-all b/bin/list-all
index f28ef867ca396c794854b5f032c84495995b79e6..23f309581ea4436f62eb5b7258b61e8e7b8394a3 100755
--- a/bin/list-all
+++ b/bin/list-all
@@ -1,23 +1,17 @@
 #!/usr/bin/env bash
 
-versions_list=(
-  jruby-9.0.4.0
-  1.9.3-p551
-  2.1.4
-  2.1.5
-  2.1.6
-  2.1.7
-  2.2.0
-  2.2.1
-  2.2.2
-  2.2.3
-  2.3.0
-  2.3.1
+ruby_versions=$(
+  curl --silent "http://cache.ruby-lang.org/pub/ruby/" \
+    | sed -n -E 's/^.*"(ruby-)(.*).tar.gz".*$/\2/p' \
+    | sort \
+    | uniq
 )
 
-versions=""
+jruby_versions=(
+  jruby-9.0.4.0
+)
 
-for version in "${versions_list[@]}"
+for version in "${ruby_versions[@]} ${jruby_versions[@]}"
 do
   versions="${versions} ${version}"
 done