diff --git a/.gitignore b/.gitignore
index f37fe8b7..a914259d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,10 @@
 bin
 debug.test
 .vscode
+.idea
 /vendor/
 /tmp/
 /.tools/
 *.tmp
 test.yaml
-coverage.txt
\ No newline at end of file
+coverage.txt
diff --git a/Dockerfile b/Dockerfile
index fe257695..e793b95f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG BASEIMAGE=gcr.io/distroless/static:nonroot
 ARG BASE_ALPINE=alpine:3.14
-ARG GO_VERSION=1.16.9
+ARG GO_VERSION=1.16.12
 
 # -------
 # Builder
@@ -11,8 +11,11 @@ ARG VCS_REF=noref
 ARG BUILD_SUB_TARGET
 
 WORKDIR /go/src/${PACKAGE}
-ADD . .
+
+ADD go.mod go.sum /go/src/${PACKAGE}
 RUN go mod download
+
+ADD . .
 RUN GIT_TAG=${VCS_REF} make build${BUILD_SUB_TARGET}
 
 # ------------