diff --git a/Containers/imaginary/Dockerfile b/Containers/imaginary/Dockerfile
index 13e95168103..827050bfaba 100644
--- a/Containers/imaginary/Dockerfile
+++ b/Containers/imaginary/Dockerfile
@@ -13,7 +13,7 @@ RUN set -ex; \
         build-base; \
     go install github.com/h2non/imaginary@"$IMAGINARY_HASH";
 
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 RUN set -ex; \
     apk upgrade --no-cache -a; \
     apk add --no-cache \