diff --git a/cmd/builder/Dockerfile.fission-builder b/cmd/builder/Dockerfile.fission-builder
index da8ca9ff..474bb30f 100644
--- a/cmd/builder/Dockerfile.fission-builder
+++ b/cmd/builder/Dockerfile.fission-builder
@@ -1,4 +1,4 @@
-FROM alpine:3.14.3
+FROM alpine:3.15
 RUN apk add --update ca-certificates
 COPY builder /builder
 ENTRYPOINT ["/builder"]
diff --git a/cmd/fetcher/Dockerfile.fission-fetcher b/cmd/fetcher/Dockerfile.fission-fetcher
index 26941f56..17be1feb 100644
--- a/cmd/fetcher/Dockerfile.fission-fetcher
+++ b/cmd/fetcher/Dockerfile.fission-fetcher
@@ -1,4 +1,4 @@
-FROM alpine:3.14.3
+FROM alpine:3.15
 RUN apk add --update ca-certificates
 COPY fetcher /
 ENTRYPOINT ["/fetcher"]
diff --git a/cmd/fission-bundle/Dockerfile.fission-bundle b/cmd/fission-bundle/Dockerfile.fission-bundle
index 55299f30..f0463b2a 100644
--- a/cmd/fission-bundle/Dockerfile.fission-bundle
+++ b/cmd/fission-bundle/Dockerfile.fission-bundle
@@ -1,4 +1,4 @@
-FROM alpine:3.14.3
+FROM alpine:3.15
 RUN apk add --update ca-certificates
 COPY fission-bundle /
 ENTRYPOINT ["/fission-bundle"]
diff --git a/cmd/preupgradechecks/Dockerfile.fission-preupgradechecks b/cmd/preupgradechecks/Dockerfile.fission-preupgradechecks
index 96f66d88..1099903d 100644
--- a/cmd/preupgradechecks/Dockerfile.fission-preupgradechecks
+++ b/cmd/preupgradechecks/Dockerfile.fission-preupgradechecks
@@ -1,4 +1,4 @@
-FROM alpine:3.14.3
+FROM alpine:3.15
 RUN apk add --update ca-certificates
 COPY pre-upgrade-checks /
 ENTRYPOINT ["/pre-upgrade-checks"]
diff --git a/cmd/reporter/Dockerfile.reporter b/cmd/reporter/Dockerfile.reporter
index 2ec453d3..3dd83c8d 100644
--- a/cmd/reporter/Dockerfile.reporter
+++ b/cmd/reporter/Dockerfile.reporter
@@ -1,4 +1,4 @@
-FROM alpine:3.14.3
+FROM alpine:3.15
 RUN apk add --update ca-certificates
 COPY reporter /
 ENTRYPOINT ["/reporter"]
\ No newline at end of file