diff --git a/docker/Dockerfile b/docker/Dockerfile
index ecc283f8a..978da7960 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,7 +11,7 @@ RUN go run build.go
 
 FROM alpine:latest AS restic
 
-RUN apk add --update --no-cache ca-certificates fuse openssh-client tzdata jq
+RUN apk add --no-cache ca-certificates fuse openssh-client tzdata jq
 
 COPY --from=builder /go/src/github.com/restic/restic/restic /usr/bin
 
diff --git a/docker/Dockerfile.release b/docker/Dockerfile.release
index ccf80376a..42302f203 100644
--- a/docker/Dockerfile.release
+++ b/docker/Dockerfile.release
@@ -13,6 +13,6 @@ RUN mv /output/restic_${TARGETOS}_${TARGETARCH} /output/restic
 FROM alpine:latest
 
 COPY --from=helper /output/restic /usr/bin
-RUN apk add --update --no-cache ca-certificates fuse openssh-client tzdata jq
+RUN apk add --no-cache ca-certificates fuse openssh-client tzdata jq
 
 ENTRYPOINT ["/usr/bin/restic"]