diff --git a/.release-notes/alpine-320.md b/.release-notes/alpine-320.md
new file mode 100644
index 00000000..4b60b15c
--- /dev/null
+++ b/.release-notes/alpine-320.md
@@ -0,0 +1,3 @@
+## Use Alpine 3.20 as our base image
+
+Previously we were using Alpine 3.18 which has reached it's end-of-life. The change to 3.20 should have no impact on anyone unless they are using this image as the base image for another image.
diff --git a/Dockerfile b/Dockerfile
index 9d1b71c3..20c0a953 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /src/corral
 RUN make arch=x86-64 static=true linker=bfd \
  && make install
 
-FROM alpine:3.18
+FROM alpine:3.20
 
 COPY --from=build /usr/local/bin/corral /usr/local/bin/corral