diff --git a/pdf/Dockerfile b/pdf/Dockerfile
index ad3f617..df3a9b6 100644
--- a/pdf/Dockerfile
+++ b/pdf/Dockerfile
@@ -19,7 +19,7 @@ RUN apk upgrade --no-cache \
     git=2.52.0-r0 \
     jq=1.8.1-r0 \
     libreoffice=25.8.1.1-r5 \
-    openjdk21-jre-headless=21.0.9_p10-r0 \
+    openjdk21-jre-headless=21.0.10_p7-r0 \
     pandoc-cli=3.8.2.1-r0 \
     pdfgrep=2.2.0-r1 \
     pipx=1.8.0-r0 \