diff --git a/README.md b/README.md
index fcdcca8806b815..37c1e509c31bce 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Kibana 5.0.0
+# Kibana 5.0.0-alpha4
 
 Kibana is an open source ([Apache Licensed](https://github.com/elastic/kibana/blob/master/LICENSE.md)), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elasticsearch.
 
@@ -43,7 +43,7 @@ For the daring, snapshot builds are available. These builds are created after ea
 
 | platform |  |
 | --- | --- |
-| OSX | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-SNAPSHOT-darwin-x64.tar.gz) |
-| Linux x64 | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-SNAPSHOT-linux-x64.tar.gz) [deb](https://download.elastic.co/kibana/kibana-snapshot/kibana_5.0.0-SNAPSHOT_amd64.deb) [rpm](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0_SNAPSHOT-1.x86_64.rpm) |
-| Linux x86 | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-SNAPSHOT-linux-x86.tar.gz) [deb](https://download.elastic.co/kibana/kibana-snapshot/kibana_5.0.0-SNAPSHOT_i386.deb) [rpm](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0_SNAPSHOT-1.i386.rpm) |
-| Windows | [zip](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-SNAPSHOT-windows.zip) |
+| OSX | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-darwin-x64.tar.gz) |
+| Linux x64 | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-linux-x64.tar.gz) [deb](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-amd64.deb) [rpm](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-x86_64.rpm) |
+| Linux x86 | [tar](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-linux-x86.tar.gz) [deb](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-i386.deb) [rpm](https://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-i686.rpm) |
+| Windows | [zip](http://download.elastic.co/kibana/kibana-snapshot/kibana-5.0.0-alpha4-SNAPSHOT-windows.zip) |
diff --git a/tasks/build/os_packages.js b/tasks/build/os_packages.js
index 5b2b51e00d2110..a2cee765f988c3 100644
--- a/tasks/build/os_packages.js
+++ b/tasks/build/os_packages.js
@@ -16,19 +16,14 @@ export default (grunt) => {
 
     config.get('platforms')
     .filter(({ name }) => /linux-x(86|64)$/.test(name))
-    .map(({ name, buildDir }) => {
-      const architecture = /x64$/.test(name) ? 'x86_64' : 'i386';
-      return {
-        buildDir,
-        architecture
-      };
-    })
-    .forEach(({ buildDir, architecture }) => {
+    .forEach(({ buildDir, debArch, rpmArch }) => {
       const baseOptions = [
         '--force',
-        '--package', targetDir,
+        // we force dashes in the version file name because otherwise fpm uses
+        // the filtered package version, which would have dashes replaced with
+        // underscores
+        '--package', `${targetDir}/NAME-${packages.version}-ARCH.TYPE`,
         '-s', 'dir', // input type
-        '--architecture', architecture,
         '--name', packages.name,
         '--description', packages.description,
         '--version', packages.version,
@@ -52,10 +47,12 @@ export default (grunt) => {
       ];
       const debOptions = [
         '-t', 'deb',
+        '--architecture', debArch,
         '--deb-priority', 'optional'
       ];
       const rpmOptions = [
         '-t', 'rpm',
+        '--architecture', rpmArch,
         '--rpm-os', 'linux'
       ];
       const args = [
diff --git a/tasks/config/platforms.js b/tasks/config/platforms.js
index 2874f0d8949570..aff25a263b026d 100644
--- a/tasks/config/platforms.js
+++ b/tasks/config/platforms.js
@@ -30,13 +30,15 @@ module.exports = function (grunt) {
     let debPath;
     let rpmName;
     let rpmPath;
+    let debArch;
+    let rpmArch;
     if (name.match('linux')) {
-      let debArch = name.match('x64') ? 'amd64' : 'i386';
-      debName = `kibana_${version}_${debArch}.deb`;
+      debArch = name.match('x64') ? 'amd64' : 'i386';
+      debName = `kibana-${version}-${debArch}.deb`;
       debPath = resolve(rootPath, `target/${debName}`);
 
-      let rpmArch = name.match('x64') ? 'x86_64' : 'i386';
-      rpmName = `kibana-${version.replace('-', '_')}-1.${rpmArch}.rpm`;
+      rpmArch = name.match('x64') ? 'x86_64' : 'i686';
+      rpmName = `kibana-${version}-${rpmArch}.rpm`;
       rpmPath = resolve(rootPath, `target/${rpmName}`);
     }
     return {
@@ -45,8 +47,8 @@ module.exports = function (grunt) {
       buildName, buildDir,
       tarName, tarPath,
       zipName, zipPath,
-      debName, debPath,
-      rpmName, rpmPath
+      debName, debPath, debArch,
+      rpmName, rpmPath, rpmArch
     };
   });
 };