diff --git a/.changeset/five-grapes-smash.md b/.changeset/five-grapes-smash.md
new file mode 100644
index 0000000..bfbb519
--- /dev/null
+++ b/.changeset/five-grapes-smash.md
@@ -0,0 +1,5 @@
+---
+"@hyas/doks-core": patch
+---
+
+Allow custom kroki host
diff --git a/layouts/_default/_markup/render-codeblock-kroki.html b/layouts/_default/_markup/render-codeblock-kroki.html
index 700e913..7e86673 100644
--- a/layouts/_default/_markup/render-codeblock-kroki.html
+++ b/layouts/_default/_markup/render-codeblock-kroki.html
@@ -53,7 +53,7 @@
 {{- $position := .Position }}
 
 {{- /* Initialize. */}}
-{{- $apiEndpoint := "https://kroki.io/" }}
+{{- $apiEndpoint := or site.Params.doks.krokiURL "https://kroki.io/" }}
 {{- $diagramType := $attrs.type | lower }}
 
 {{- /* Validate diagram type. */}}