diff --git a/package-lock.json b/package-lock.json
index 086f23e3..a760c151 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "asciidoctor-kroki",
-  "version": "0.15.3",
+  "version": "0.15.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f7366692..62172989 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "asciidoctor-kroki",
-  "version": "0.15.3",
+  "version": "0.15.4",
   "description": "Asciidoctor extension to convert diagrams to images using Kroki",
   "type": "commonjs",
   "main": "./src/asciidoctor-kroki.js",