diff --git a/preview-service/container/Dockerfile b/preview-service/container/Dockerfile
index cfed8f6d..8541570a 100644
--- a/preview-service/container/Dockerfile
+++ b/preview-service/container/Dockerfile
@@ -6,25 +6,25 @@
 # was Factorio 2.1.14 against a pin that meant 2.1.12, and only the assertion
 # below stood between it and production.
 #
-# With the tag present, Renovate tracks `2.1.16` and can only ever re-pin THAT
+# With the tag present, Renovate tracks `2.1.17` and can only ever re-pin THAT
 # tag's digest, so a silent version jump is impossible by construction rather
 # than merely detectable. Moving to a new Factorio is then a deliberate edit of
 # the tag, the digest and the assertion together - which
 # test/dockerfile.test.mjs checks stay in agreement.
 #
 # Refresh the digest for a tag with:
-#   docker pull --platform linux/amd64 factoriotools/factorio:2.1.16
-#   docker inspect --format='{{index .RepoDigests 0}}' factoriotools/factorio:2.1.16
-FROM factoriotools/factorio:2.1.16@sha256:f96d574869b633a849cc68d500ad066bd0eb55228e5b4f00047baf7cf5bc8ed9
+#   docker pull --platform linux/amd64 factoriotools/factorio:2.1.17
+#   docker inspect --format='{{index .RepoDigests 0}}' factoriotools/factorio:2.1.17
+FROM factoriotools/factorio:2.1.17@sha256:e9227748c507a52f97bbd42c88e5c73702297bbdf4322c2f3ca8a71676ec1222
 
 # Node for the HTTP wrapper (base image is Debian-based).
 USER root
 RUN apt-get update && apt-get install -y --no-install-recommends nodejs && rm -rf /var/lib/apt/lists/*
 
-# Fail fast if the pinned Factorio is not 2.1.16. This runs only at image BUILD
+# Fail fast if the pinned Factorio is not 2.1.17. This runs only at image BUILD
 # time, which no PR does (#183) - so it is the last line of defence, not the
 # first. Keep it in step with the FROM tag above.
-RUN /opt/factorio/bin/x64/factorio --version | grep -q "Version: 2.1.16"
+RUN /opt/factorio/bin/x64/factorio --version | grep -q "Version: 2.1.17"
 
 WORKDIR /app
 COPY render.mjs server.mjs ./
diff --git a/preview-service/worker/worker-configuration.d.ts b/preview-service/worker/worker-configuration.d.ts
index ecaf6a49..93be5369 100644
--- a/preview-service/worker/worker-configuration.d.ts
+++ b/preview-service/worker/worker-configuration.d.ts
@@ -1,9 +1,9 @@
 /* eslint-disable */
-// Generated by Wrangler by running `wrangler types` (hash: b7bebf05356e1de341cb5b68ffc140cf)
+// Generated by Wrangler by running `wrangler types` (hash: 2bc045439fda175885fb82da314ab30d)
 // Runtime types generated with workerd@1.20260815.1 2026-07-01 nodejs_compat
 interface __BaseEnv_Env {
   PREVIEW_CACHE: R2Bucket;
-  FACTORIO_VERSION: "2.1.16";
+  FACTORIO_VERSION: "2.1.17";
   MONTHLY_RENDER_BUDGET: "5000";
   ALLOWED_ORIGIN: "https://map.factorygamefan.com";
   PREVIEW_CONTAINER: DurableObjectNamespace<import("./src/index").PreviewContainer>;
diff --git a/preview-service/worker/wrangler.jsonc b/preview-service/worker/wrangler.jsonc
index 0db168ef..1bfb55a5 100644
--- a/preview-service/worker/wrangler.jsonc
+++ b/preview-service/worker/wrangler.jsonc
@@ -4,7 +4,7 @@
   "compatibility_date": "2026-07-01",
   "compatibility_flags": ["nodejs_compat"],
   "vars": {
-    "FACTORIO_VERSION": "2.1.16",
+    "FACTORIO_VERSION": "2.1.17",
     "MONTHLY_RENDER_BUDGET": "5000",
     "ALLOWED_ORIGIN": "https://map.factorygamefan.com",
   },