diff --git a/.promu.yml b/.promu.yml
index 35d17e9..9fd604b 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,19 +1,19 @@
 go:
-    version: 1.11
+  version: 1.13
 repository:
-    path: github.com/ribbybibby/ssl_exporter
+  path: github.com/ribbybibby/ssl_exporter
 build:
-    flags: -mod=vendor -a -tags netgo
-    ldflags: |
-        -X github.com/prometheus/common/version.Version={{.Version}}
-        -X github.com/prometheus/common/version.Revision={{.Revision}}
-        -X github.com/prometheus/common/version.Branch={{.Branch}}
-        -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
-        -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+  flags: -mod=vendor -a -tags netgo
+  ldflags: |
+    -X github.com/prometheus/common/version.Version={{.Version}}
+    -X github.com/prometheus/common/version.Revision={{.Revision}}
+    -X github.com/prometheus/common/version.Branch={{.Branch}}
+    -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+    -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
 tarball:
-    prefix: .
-    files:
-        - LICENSE
+  prefix: .
+  files:
+    - LICENSE
 crossbuild:
-    platforms:
-        - linux/amd64
\ No newline at end of file
+  platforms:
+    - linux/amd64