diff --git a/Dockerfile b/Dockerfile
index 65fd4d3bff..be21cedf1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,13 @@
-FROM alpine:3.14 as otelcol
+FROM alpine:3.15.0 as otelcol
 COPY otelcol-sumo /
 # This shouldn't be necessary but sometimes we end up with execution bit not set.
 # ref: https://github.com/open-telemetry/opentelemetry-collector/issues/1317
 RUN chmod 755 /otelcol-sumo
 
-FROM alpine:3.14 as certs
+FROM alpine:3.15.0 as certs
 RUN apk --update add ca-certificates
 
-FROM alpine:3.14 as directories
+FROM alpine:3.15.0 as directories
 RUN mkdir /etc/otel/
 
 FROM scratch
diff --git a/Dockerfile_dev b/Dockerfile_dev
index 694d3d65e4..2bef8459f5 100644
--- a/Dockerfile_dev
+++ b/Dockerfile_dev
@@ -1,13 +1,13 @@
-FROM alpine:3.14 as otelcol
+FROM alpine:3.15.0 as otelcol
 COPY otelcol-sumo /
 # This shouldn't be necessary but sometimes we end up with execution bit not set.
 # ref: https://github.com/open-telemetry/opentelemetry-collector/issues/1317
 RUN chmod 755 /otelcol-sumo
 
-FROM alpine:3.14 as certs
+FROM alpine:3.15.0 as certs
 RUN apk --update add ca-certificates
 
-FROM alpine:3.14 as directories
+FROM alpine:3.15.0 as directories
 RUN mkdir /etc/otel/
 
 FROM golang:1.17.3
diff --git a/Dockerfile_local b/Dockerfile_local
index 27bca9aa21..96c64fcb2e 100644
--- a/Dockerfile_local
+++ b/Dockerfile_local
@@ -6,10 +6,10 @@ RUN apk --update add make gcc g++
 RUN make install
 RUN make build
 
-FROM alpine:3.14 as certs
+FROM alpine:3.15.0 as certs
 RUN apk --update add ca-certificates
 
-FROM alpine:3.14 as directories
+FROM alpine:3.15.0 as directories
 RUN mkdir /etc/otel/
 
 FROM scratch