diff --git a/Dockerfile b/Dockerfile
index 3c2db8007..16bbb8050 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ RUN apk add make git
 COPY ui /src/ui
 RUN make -C /src/ui build
 
-FROM golang:1.14.4-alpine3.11 as go-builder
+FROM golang:1.14.4-alpine3.12 as go-builder
 RUN apk add make git
 COPY Makefile /src/Makefile
 COPY make /src/make
diff --git a/demo/Dockerfile b/demo/Dockerfile
index cd3669a9c..fb14e582b 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -6,7 +6,7 @@ RUN apk add make git
 COPY ui /src/ui
 RUN make -C /src/ui build
 
-FROM golang:1.14.4-alpine3.11 as go-builder
+FROM golang:1.14.4-alpine3.12 as go-builder
 RUN apk add make git
 COPY Makefile /src/Makefile
 COPY make /src/make