diff --git a/bucket/biber.json b/bucket/biber.json
index 73242ba168..92f745cee8 100644
--- a/bucket/biber.json
+++ b/bucket/biber.json
@@ -1,31 +1,31 @@
 {
-  "version": "2.18",
-  "description": "Biber is a BibTeX replacement for users of biblatex, with full Unicode support.",
-  "license": "Artistic-2.0",
-  "homepage": "https://biblatex-biber.sourceforge.net/",
-  "suggest": {
-    "tectonic": "tectonic"
-  },
-  "architecture": {
-    "64bit": {
-      "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN64.zip",
-      "hash": "02ee3a8b6838b7ff1e9aea1a5342686981b9364067a7b8e7131c3b3201cf387c"
+    "version": "2.19",
+    "description": "Biber is a BibTeX replacement for users of biblatex, with full Unicode support.",
+    "license": "Artistic-2.0",
+    "homepage": "https://biblatex-biber.sourceforge.net/",
+    "suggest": {
+        "tectonic": "tectonic"
     },
-    "32bit": {
-      "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN32.zip",
-      "hash": "7328c7e6346b6776fcc5e01162d90312817851fb44171d7145d179a143567fb8"
-    }
-  },
-  "bin": "biber.exe",
-  "checkver": "Biber ([\\d.]+) is now ",
-  "autoupdate": {
     "architecture": {
-      "64bit": {
-        "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN64.zip"
-      },
-      "32bit": {
-        "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN32.zip"
-      }
+        "64bit": {
+            "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN64.zip",
+            "hash": "sha1:0722c0dd8101b4d8891b0c6c40a11456fc9c3761"
+        },
+        "32bit": {
+            "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN32.zip",
+            "hash": "sha1:2d71d450486f39c2f6c2cd87b99d6524bbc15721"
+        }
+    },
+    "bin": "biber.exe",
+    "checkver": "Biber ([\\d.]+) is now ",
+    "autoupdate": {
+        "architecture": {
+            "64bit": {
+                "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN64.zip"
+            },
+            "32bit": {
+                "url": "https://downloads.sourceforge.net/project/biblatex-biber/biblatex-biber/current/binaries/Windows/biber-MSWIN32.zip"
+            }
+        }
     }
-  }
 }