diff --git a/.travis.yml b/.travis.yml
index ceb88e5..5a0ce0a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: go
 
 go:
-  - 1.5
+  - 1.11
 
 script: go build .
diff --git a/LICENSE b/LICENSE
index b16dec7..cdbc4eb 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015 Cash Payment Solutions GmbH
+Copyright (c) 2015-2018 Cash Payment Solutions GmbH
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/Makefile b/Makefile
index a630b35..8981331 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,3 @@
 all:
-	docker run --rm -e CGO_ENABLED=0 -v $(CURDIR):/go golang:1.5.1 \
+	docker run --rm -e CGO_ENABLED=0 -v $(CURDIR):/go golang:1.11.2 \
 		go build -o /go/build/waitforservices
diff --git a/README.md b/README.md
index 722cfb6..205cf69 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ We wrote a [blog post explaining why we built waitforservices how we use it](htt
 First, install the utility into your image by adding this to your Dockerfile:
 
     RUN curl --location --silent --show-error --fail \
-            https://github.com/Barzahlen/waitforservices/releases/download/v0.4/waitforservices \
+            https://github.com/Barzahlen/waitforservices/releases/download/v0.5/waitforservices \
             > /usr/local/bin/waitforservices && \
         chmod +x /usr/local/bin/waitforservices