diff --git a/stirling-pdf/Dockerfile b/stirling-pdf/Dockerfile
index 2cb7c52..7493e71 100644
--- a/stirling-pdf/Dockerfile
+++ b/stirling-pdf/Dockerfile
@@ -1 +1 @@
-FROM frooodle/s-pdf:0.20.1
+FROM frooodle/s-pdf:0.22.6