diff --git a/nix/sources.json b/nix/sources.json
index 683a5f78..02cff3b3 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "66a68b4a58f7c554bd7746acd51ff7cc02840b0a",
-        "sha256": "16c54als3qlhrsq9akm9cdm1y50d7czsny7nnn7dprp3ry2agpdb",
+        "rev": "1a7f190cb9b4176ceb5bab43a6803c3fb015671a",
+        "sha256": "1wlcl8vj2a3wkbx8wxqvh3ny804db5y6sngp5s0yhb8api024b25",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/66a68b4a58f7c554bd7746acd51ff7cc02840b0a.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/1a7f190cb9b4176ceb5bab43a6803c3fb015671a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "kassandra": {
@@ -81,10 +81,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3bc15cbb5524a5607c842a7a1acc494e5729f697",
-        "sha256": "1wiglrbgp34y27vbarva4gyb6i8jbqnazlwxf7k81gsz5ayf1bz8",
+        "rev": "9e6737710c4fb2613850e699178b23d54f1a3261",
+        "sha256": "135j7kh310k4i5npfc3z1gkajgavlwa14sqqgrpbd59p6pnsbc5j",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/3bc15cbb5524a5607c842a7a1acc494e5729f697.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9e6737710c4fb2613850e699178b23d54f1a3261.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-master": {
@@ -93,10 +93,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "85298db412bc3f768d0eba099f69a8014525c5dc",
-        "sha256": "08ansffsy4q2jbr1dbjnvb6xvadkwka31kac1yvvp5231bwinyzj",
+        "rev": "c898defdbf6867dc3e90ab683375d409a66d357d",
+        "sha256": "0w679s0n05lc3yhn43lhzp7z4w99gyl8vpb8ihq3jvamm26q07bb",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/85298db412bc3f768d0eba099f69a8014525c5dc.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/c898defdbf6867dc3e90ab683375d409a66d357d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "obelisk": {