diff --git a/.gitignore b/.gitignore
index c4a847d..6609c3b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-/result
+/unstable/result
+/stable/result
diff --git a/unstable/config/common/services/nginx.nix b/unstable/config/common/services/nginx.nix
index 89a13a4..4c1478d 100644
--- a/unstable/config/common/services/nginx.nix
+++ b/unstable/config/common/services/nginx.nix
@@ -9,6 +9,9 @@
     recommendedProxySettings = true;
     recommendedTlsSettings = true;
 
+		# 100 MB max upload
+		clientMaxBodySize = "100m";
+
     # Only allow PFS-enabled ciphers with AES256
     sslCiphers = "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
 
diff --git a/unstable/config/hosts/grondahl/services/synapse.nix b/unstable/config/hosts/grondahl/services/synapse.nix
index 8e96cb5..9d0c32e 100644
--- a/unstable/config/hosts/grondahl/services/synapse.nix
+++ b/unstable/config/hosts/grondahl/services/synapse.nix
@@ -7,7 +7,7 @@
     enable_registration = false;
     registration_shared_secret = builtins.toString config.secrets.files.synapse_registration_shared_secret.file;
     turn_shared_secret = builtins.toString config.secrets.files.turn_shared_secret.file;
-    max_upload_size = "20M";
+    max_upload_size = "100M";
     database_type = "psycopg2";
     database_user = "synapse";
     database_name = "synapse";
diff --git a/unstable/config/sources/nix/sources.json b/unstable/config/sources/nix/sources.json
index c02530c..3f85426 100644
--- a/unstable/config/sources/nix/sources.json
+++ b/unstable/config/sources/nix/sources.json
@@ -17,22 +17,22 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "08cda8e3a5a4e685af525e5a589dfeb74267d505",
-        "sha256": "0bf3mbss7c3lyf5h8g1vwjbs0cg4h0c8ixbaz1kv24ahyy8n61y3",
+        "rev": "4c9f07277bd4bc29a051ff2a0ca58c6403e3881a",
+        "sha256": "0kz99f42173dh6sa7vw31vr4w348whmbv5n8yfylcjk6widhsslj",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixos-hardware/archive/08cda8e3a5a4e685af525e5a589dfeb74267d505.tar.gz",
+        "url": "https://github.com/NixOS/nixos-hardware/archive/4c9f07277bd4bc29a051ff2a0ca58c6403e3881a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "nixos-unstable-small",
+        "branch": "21.11",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "db22325869a05e376dbab1c31ea7664dd5fcf860",
-        "sha256": "0pihqkl1c5bmb62657r38irvacav51ab0r4vfa2wn027ch1ry29m",
+        "rev": "a7ecde854aee5c4c7cd6177f54a99d2c1ff28a31",
+        "sha256": "162dywda2dvfj1248afxc45kcrg83appjd0nmdb541hl7rnncf02",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/db22325869a05e376dbab1c31ea7664dd5fcf860.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a7ecde854aee5c4c7cd6177f54a99d2c1ff28a31.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixus": {
diff --git a/unstable/zrsognwguwinm39ineqguchhtghs5w9y b/unstable/zrsognwguwinm39ineqguchhtghs5w9y
deleted file mode 100644
index fc57b34..0000000
Binary files a/unstable/zrsognwguwinm39ineqguchhtghs5w9y and /dev/null differ