diff --git a/prometheus/defaults.yaml b/prometheus/defaults.yaml
index ea7a724..e6464f6 100644
--- a/prometheus/defaults.yaml
+++ b/prometheus/defaults.yaml
@@ -1,9 +1,9 @@
 prometheus:
   server:
-    version: 1.2.1.linux-amd64
+    version: 1.3.1.linux-amd64
     install_dir: /opt
-    source: 'https://github.com/prometheus/prometheus/releases/download/v1.2.1/prometheus-1.2.1.linux-amd64.tar.gz'
-    source_hash: sha1=9b8a213d332c898f3a8430b06b008c1fd23406ed
+    source: 'https://github.com/prometheus/prometheus/releases/download/v1.3.1/prometheus-1.3.1.linux-amd64.tar.gz'
+    source_hash: sha1=a5e476604086533951a81f5653ccc49141b057c5
     args:
       config_file: /etc/prometheus/prometheus.yml
       storage:
@@ -22,10 +22,10 @@ prometheus:
           static_configs:
             - targets: ['localhost:9100']
   alertmanager:
-    version: 0.4.2.linux-amd64
+    version: 0.5.0.linux-amd64
     install_dir: /opt
-    source: https://github.com/prometheus/alertmanager/releases/download/v0.4.2/alertmanager-0.4.2.linux-amd64.tar.gz
-    source_hash: md5=715878f14ab091769c989ecdb2db9f15
+    source: https://github.com/prometheus/alertmanager/releases/download/v0.5.0/alertmanager-0.5.0.linux-amd64.tar.gz
+    source_hash: sha1=2669d6b0143896b634699e7d70f95f5da92ad94f
     args:
       config_file: /etc/alertmanager/alertmanager.yml
       storage: