diff --git a/gnu/packages/elixir-markup.scm b/gnu/packages/elixir-markup.scm
index 928cdddc25..55650d7663 100644
--- a/gnu/packages/elixir-markup.scm
+++ b/gnu/packages/elixir-markup.scm
@@ -18,6 +18,7 @@
 
 (define-module (gnu packages elixir-markup)
   #:use-module (gnu packages elixir-xyz)
+  #:use-module (gnu packages erlang-xyz)
   #:use-module (guix build-system mix)
   #:use-module (guix download)
   #:use-module (guix gexp)
@@ -157,6 +158,23 @@ HTML entities in a string.")
     (home-page "https://hexdocs.pm/html_entities/")
     (license license:expat)))
 
+(define-public elixir-html-sanitize-ex
+  (package
+    (name "elixir-html-sanitize-ex")
+    (version "1.4.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (hexpm-uri "html_sanitize_ex" version))
+       (sha256
+        (base32 "1dyc9fvkdrihmy32d85jqlzs9jrbijahq5dpdry9r57y98y8sx47"))))
+    (build-system mix-build-system)
+    (propagated-inputs (list erlang-mochiweb))
+    (synopsis "HTML sanitizer for Elixir")
+    (description "HTML sanitizer for Elixir.")
+    (home-page "https://hexdocs.pm/html_sanitize_ex/")
+    (license license:expat)))
+
 (define-public elixir-floki
   (package
     (name "elixir-floki")