diff --git a/Dockerfile-bookworm b/Dockerfile-bookworm
index c05acde4..f377ceb0 100644
--- a/Dockerfile-bookworm
+++ b/Dockerfile-bookworm
@@ -358,7 +358,7 @@ EOF
 # Node 18, which reached end-of-life in April 2025 and will never be updated
 # there. Only the node paths are copied -- never all of /usr/local, because the
 # perl base image keeps its own installation (perl, cpanm, cpm) in that prefix.
-FROM node:22-bookworm-slim@sha256:43ac6c60b8f89723f746e8a92ce91abd5017e627ce1ddfe4238355d3a30b772c AS nodejs-source
+FROM node:26-bookworm-slim@sha256:662933cf47f013bc8e4beb31a6116448427a82057ba7c42c97e4c5ba766504c2 AS nodejs-source
 
 FROM fhem-extended-python AS fhem-extended-python-nodejs
 
diff --git a/Dockerfile-threaded-bookworm b/Dockerfile-threaded-bookworm
index cb903f3f..b6005474 100644
--- a/Dockerfile-threaded-bookworm
+++ b/Dockerfile-threaded-bookworm
@@ -358,7 +358,7 @@ EOF
 # Node 18, which reached end-of-life in April 2025 and will never be updated
 # there. Only the node paths are copied -- never all of /usr/local, because the
 # perl base image keeps its own installation (perl, cpanm, cpm) in that prefix.
-FROM node:22-bookworm-slim@sha256:43ac6c60b8f89723f746e8a92ce91abd5017e627ce1ddfe4238355d3a30b772c AS nodejs-source
+FROM node:26-bookworm-slim@sha256:662933cf47f013bc8e4beb31a6116448427a82057ba7c42c97e4c5ba766504c2 AS nodejs-source
 
 FROM fhem-extended-python AS fhem-extended-python-nodejs