diff --git a/.travis.yml b/.travis.yml
index 1bc97bae6..cd2c0ef6e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 __defaults_go: &DEFAULTS_GO
   language: go
-  go: "1.13.3"
+  go: "1.13.4"
   cache:
     directories:
       # https://restic.net/blog/2018-09-02/travis-build-cache
diff --git a/Dockerfile b/Dockerfile
index 1b13066fe..32de0633e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ COPY Makefile /src/Makefile
 COPY ui /src/ui
 RUN make -C /src ui
 
-FROM golang:1.13.3-alpine as go-builder
+FROM golang:1.13.4-alpine as go-builder
 RUN apk update && apk upgrade && apk add --update make git
 COPY Makefile /src/Makefile
 COPY go.mod /src/go.mod
diff --git a/demo/Dockerfile b/demo/Dockerfile
index c9ad0547b..e16b9e400 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -4,7 +4,7 @@ COPY Makefile /src/Makefile
 COPY ui /src/ui
 RUN make -C /src ui
 
-FROM golang:1.13.3-alpine as go-builder
+FROM golang:1.13.4-alpine as go-builder
 RUN apk update && apk upgrade && apk add --update make git
 COPY Makefile /src/Makefile
 COPY go.mod /src/go.mod