diff --git a/config.example.wikimedia.yaml b/config.example.wikimedia.yaml
index 010d14a2a..204671a0d 100644
--- a/config.example.wikimedia.yaml
+++ b/config.example.wikimedia.yaml
@@ -33,8 +33,11 @@ default_project: &default_project
           cache_control: s-maxage=86400, max-age=86400
         # 10 days Varnish caching, one day client-side
         purged_cache_control: s-maxage=864000, max-age=86400
-        # Cache PDF for 5 minutes since it's not purged
-        pdf_cache_control: s-maxage=300, max-age=300
+        pdf:
+          # Cache PDF for 5 minutes since it's not purged
+          cache_control: s-maxage=600, max-age=600
+          uri: https://pdf-electron.wmflabs.org/pdf
+          secret: secret
         skip_updates: false
 
 # A different project template, sharing configuration options.
diff --git a/config.test.yaml b/config.test.yaml
index b82693fbf..fa0e07560 100644
--- a/config.test.yaml
+++ b/config.test.yaml
@@ -38,6 +38,11 @@ default_project: &default_project
           host: http://appservice.wmflabs.org
         events: {}
         purged_cache_control: test_purged_cache_control
+        pdf:
+          # Cache PDF for 5 minutes since it's not purged
+          cache_control: s-maxage=600, max-age=600
+          uri: https://deployment-pdfrender.deployment-prep.eqiad.wmflabs/pdf
+          secret: secret
         skip_updates: false
 
 labs_project: &labs_project
diff --git a/projects/wmf_default.yaml b/projects/wmf_default.yaml
index de1aa74a6..b84a1f24e 100644
--- a/projects/wmf_default.yaml
+++ b/projects/wmf_default.yaml
@@ -55,8 +55,7 @@ paths:
                   options: '{{merge({"random_cache_control": "s-maxage=2, max-age=1"},
                                 options.mobileapps)}}'
                 - path: v1/pdf.yaml
-                  options:
-                    response_cache_control: '{{options.pdf_cache_control}}'
+                  options: '{{options.pdf}}'
             /feed:
               x-modules:
                 - path: v1/feed.js
diff --git a/projects/wmf_wiktionary.yaml b/projects/wmf_wiktionary.yaml
index 8a24eedae..b350674bd 100644
--- a/projects/wmf_wiktionary.yaml
+++ b/projects/wmf_wiktionary.yaml
@@ -51,8 +51,7 @@ paths:
                     response_cache_control: '{{options.purged_cache_control}}'
                     host: '{{options.mobileapps.host}}'
                 - path: v1/pdf.yaml
-                  options:
-                    response_cache_control: '{{options.pdf_cache_control}}'
+                  options: '{{options.pdf}}'
             /transform:
               x-modules:
                 - path: v1/transform.yaml
diff --git a/v1/pdf.yaml b/v1/pdf.yaml
index ad18c6fee..d111a6a14 100644
--- a/v1/pdf.yaml
+++ b/v1/pdf.yaml
@@ -38,12 +38,11 @@ paths:
           description: The PDF render of an article
           schema:
             type: file
-          # TODO: Add an etag somehow. How???
-          #headers:
-          #  ETag:
-          #    description: >
-          #      Syntax: "{revision}/{tid}".
-          #      Example: "701384379/154d7bca-c264-11e5-8c2f-1b51b33b59fc"
+          headers:
+            ETag:
+              description: >
+                Syntax: "{revision}/{tid}".
+                Example: "701384379/154d7bca-c264-11e5-8c2f-1b51b33b59fc"
         '404':
           description: Unknown page title
           schema:
@@ -54,17 +53,22 @@ paths:
             $ref: '#/definitions/problem'
 
       x-request-handler:
+        - get_latest_revision:
+            request:
+              method: get
+              uri: /{domain}/sys/page_revisions/page/{title}
         - get_pdf_from_backend:
             request:
               method: get
-              uri: 'https://pdf-electron.wmflabs.org/pdf?accessKey=secret&url=https://{{domain}}/wiki/{title}'
+              uri: '{{options.uri}}?accessKey={options.secret}&url=https://{{domain}}/wiki/{title}'
             return:
               status: 200
               headers:
                 content-disposition: 'attachment; filename={{request.params.title}}.pdf'
                 content-type: '{{get_pdf_from_backend.headers.content-type}}'
                 content-length: '{{get_pdf_from_backend.headers.content-length}}'
-                cache-control: '{{default(options.response_cache_control, "s-maxage=300, max-age=300")}}'
+                cache-control: '{{default(options.cache_control, "s-maxage=600, max-age=600")}}'
+                etag: '{{get_latest_revision.headers.etag}}'
               body: '{{get_pdf_from_backend.body}}'
 
 definitions: