diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a88e34..983d906 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@
   This fixes [#38](https://github.com/SaraSmiseth/prosody/issues/38).
 - New tests for a container with DEFAULT_STORAGE set to `internal`.
   New tests for a container with DEFAULT_STORAGE set to `internal` and ARCHIVE_STORE set to `archive`.
+- Updated luarocks to version 3.9.1.
 
 ## v1.2.8
 
diff --git a/Dockerfile b/Dockerfile
index 5219e99..62c4fb5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,10 @@ ARG BUILD_DATE
 ARG VCS_REF
 ARG VERSION
 
-ARG LUAROCKS_VERSION=3.9.0
+ARG LUAROCKS_VERSION=3.9.1
 ARG PROSODY_VERSION=0.12.1
 
-ARG LUAROCKS_SHA256=5e840f0224891de96be4139e9475d3b1de7af3a32b95c1bdf05394563c60175f
+ARG LUAROCKS_SHA256=ffafd83b1c42aa38042166a59ac3b618c838ce4e63f4ace9d961a5679ef58253
 ARG PROSODY_DOWNLOAD_SHA256=a7ecbbe41f01a4251805593ac6d15dbc6cb75d9c7a876c76b456cf74ff4b90e5
 
 LABEL luarocks.version="${LUAROCKS_VERSION}"