diff --git a/0/debian9/0.17/Dockerfile b/0/debian9/0.18/Dockerfile
similarity index 89%
rename from 0/debian9/0.17/Dockerfile
rename to 0/debian9/0.18/Dockerfile
index 38f1e51..25e820a 100644
--- a/0/debian9/0.17/Dockerfile
+++ b/0/debian9/0.18/Dockerfile
@@ -1,8 +1,8 @@
 FROM gcr.io/google-appengine/debian9
-ENV ALERTMANAGER_VERSION 0.17.0
+ENV ALERTMANAGER_VERSION 0.18.0
 
 ENV ALERTMANAGER_URL="https://github.com/prometheus/alertmanager/releases/download/v$ALERTMANAGER_VERSION/alertmanager-$ALERTMANAGER_VERSION.linux-amd64.tar.gz"
-ENV ALERTMANAGER_SHA256 7c8d2cfeb021c80881ae9904d959131091b8785b6fda9800f84ddef148fe0a4f
+ENV ALERTMANAGER_SHA256 5f17155d669a8d2243b0d179fa46e609e0566876afd0afb09311a8bc7987ab15
 
 RUN set -x && \
     apt-get update && apt-get install -qq -y wget && \
diff --git a/versions.yaml b/versions.yaml
index e9773f9..66e616a 100644
--- a/versions.yaml
+++ b/versions.yaml
@@ -16,21 +16,21 @@ _variables:
   from: &from gcr.io/google-appengine/debian9
 
 versions:
-  - dir: '0/debian9/0.17'
+  - dir: '0/debian9/0.18'
     repo: prometheus-alertmanager0
     tags:
-      - '0.17.0-debian9'
-      - '0.17-debian9'
+      - '0.18.0-debian9'
+      - '0.18-debian9'
       - '0-debian9'
-      - '0.17.0'
-      - '0.17'
+      - '0.18.0'
+      - '0.18'
       - '0'
       - 'latest'
     from: *from
     packages:
       alertmanager:
-        version: '0.17.0'
-        sha256: '7c8d2cfeb021c80881ae9904d959131091b8785b6fda9800f84ddef148fe0a4f'
+        version: '0.18.0'
+        sha256: '5f17155d669a8d2243b0d179fa46e609e0566876afd0afb09311a8bc7987ab15'
   - dir: '0/debian9/0.14'
     repo: prometheus-alertmanager0
     tags: