diff --git a/Dockerfile b/Dockerfile
index d20000f2..3963dfbb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-# Pin to Alpine 3.9
+# Pin to Alpine 3.16.2
 # For a complete list of hashes, see:
 # https://github.com/docker-library/repo-info/tree/master/repos/alpine/remote
-FROM alpine@sha256:115731bab0862031b44766733890091c17924f9b7781b79997f5f163be262178
+FROM alpine@sha256:bc41182d7ef5ffc53a40b044e725193bc10142a1243f395ee852a8d9730fc2ad
 ARG EXTENSION_FILE
 COPY ${EXTENSION_FILE} /opt/elastic-apm-extension
 COPY /NOTICE.txt /opt/NOTICE.txt