diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83354f84a8..ce4685c83f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-* Added anchor links to admonition blocks, making it possible to create direct links to specific admonitions. ([#2505], [#2676])
+* Added anchor links to admonition blocks, making it possible to create direct links to specific admonitions. ([#2505], [#2676], [#2688])
 * Added different banners for dev and unreleased docs ([#2382], [#2682])
 
 ## Version [v1.10.2] - 2025-04-25
diff --git a/src/html/HTMLWriter.jl b/src/html/HTMLWriter.jl
index f22cbdf45a..48c851fce3 100644
--- a/src/html/HTMLWriter.jl
+++ b/src/html/HTMLWriter.jl
@@ -2396,7 +2396,7 @@ function domify(dctx::DCtx, node::Node, a::MarkdownAST.Admonition)
             isempty(cat_sanitized) ? "" : ".is-category-$(cat_sanitized)"
         end
     node_repr = sprint(io -> show(io, node))
-    content_hash = bytes2hex(SHA.sha1(node_repr))[1:8]
+    content_hash = string(hash(node_repr), base = 16)
     admonition_id = if !isempty(a.title)
         base_id = Documenter.slugify(a.title)
         "$(base_id)-$(content_hash)"