diff --git a/functions/onprem/orborus/Dockerfile b/functions/onprem/orborus/Dockerfile
index 00cd6b55..dd7a0977 100644
--- a/functions/onprem/orborus/Dockerfile
+++ b/functions/onprem/orborus/Dockerfile
@@ -15,7 +15,7 @@ RUN go get github.com/docker/docker/api/types && \
 RUN go build
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o orborus .
 
-FROM alpine:3.14.2
+FROM alpine:3.15.0
 RUN apk add --no-cache bash tzdata
 COPY --from=builder /app/ /
 
diff --git a/functions/onprem/worker/Dockerfile b/functions/onprem/worker/Dockerfile
index 904f8988..0fe187bd 100644
--- a/functions/onprem/worker/Dockerfile
+++ b/functions/onprem/worker/Dockerfile
@@ -27,7 +27,7 @@ RUN go build
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o worker .
 
 ## ALPINE IMAGE
-FROM alpine:3.14.2
+FROM alpine:3.15.0
 
 ENV SHUFFLE_BASE_IMAGE_REGISTRY=docker.io
 ENV SHUFFLE_BASE_IMAGE_NAME=frikky/shuffle