diff --git a/docker-bake.hcl b/docker-bake.hcl
index e60b69d..45efba2 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -83,7 +83,7 @@ target "leptonica-common" {
     # It will be the digest printed when you do: docker pull alpine:3.17.1
     # Not the one displayed on DockerHub.
     # N.B. This should match the value used in <https://github.com/Islandora-Devops/isle-buildkit>
-    alpine = "docker-image://alpine:3.20.2@sha256:0a4eaa0eecf5f8c050e5bba433f58c052be7587ee8af3e8b3910ef9ab5fbe9f5"
+    alpine = "docker-image://alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099"
   }
 }