diff --git a/build_info.json b/build_info.json
index 423380d..bafaee6 100644
--- a/build_info.json
+++ b/build_info.json
@@ -1,8 +1,8 @@
 {
     "build_time": "",
     "source files": {
-        "version": "v2.8-48-gcb9d611",
-        "commit": "cb9d6110da7581d66e8708c2eca091577c7bad5b",
+        "version": "v2.8.1",
+        "commit": "e2d4d57eb07969b361c38ff5672582cc31291648",
         "dirty": false
     },
     "pytex": {
@@ -421,9 +421,9 @@
         {
             "name": "environments/fancythm/fancythm.sty",
             "source file": "environments/fancythm/fancythm.dtx",
-            "build time": "2022/01/30 20:46",
-            "source version": "v2.8-48-gcb9d611",
-            "source commit hash": "cb9d6110da7581d66e8708c2eca091577c7bad5b",
+            "build time": "2022/01/30 21:09",
+            "source version": "v2.8.1",
+            "source commit hash": "e2d4d57eb07969b361c38ff5672582cc31291648",
             "pytex version": "v1.2.0-30-g7542838",
             "pytex commit hash": "75428387f6cef3e703ca02ae0f7b252d9b1a7c1e",
             "md5sum": "4f74058cb71ac0bed4ec2aa5ec5fdd86",