diff --git a/app.briar.gtk.json b/app.briar.gtk.json
index a1189177a12d6036c9be6c3ff1dadaab9944ec74..ad255562c1117d3b0394426b8a4e5fff35041873 100644
--- a/app.briar.gtk.json
+++ b/app.briar.gtk.json
@@ -73,13 +73,13 @@
             "buildsystem": "simple",
             "build-commands": [
                 "mkdir -p /app/share/java",
-                "install -Dm644 briar-headless.jar /app/share/java/briar-headless.jar"
+                "install -Dm644 briar-headless-1.2.11.jar /app/share/java/briar-headless.jar"
             ],
             "sources": [
                 {
                     "type": "file",
-                    "url": "https://media.dorfbrunnen.eu/briar/jars/014/briar-headless.jar",
-                    "sha256": "7824717c69911b39b8a8497f9e68d0b5b491acca9b3739d7f5aa228b2f0c5ce4"
+                    "url": "https://briarproject.org/jar/briar-headless-1.2.11.jar",
+                    "sha512": "016a176c8b861e49e981d93ed8e92039d98de75746bd91d2c6e4bddbaaf422fbf318136262375c723b70e7b969280c0b562eb278f24048191cb59b5befbf2ed6"
                 }
             ]
         },