diff --git a/nix/sources.json b/nix/sources.json
index a7874e99..1661de07 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "708cb61e82bfd957409f71988284cd2099c48d29",
-        "sha256": "18amzm6x6nqvzpip1y2fp8y52kjca4ranic1b9s5ack0wi43d1gs",
+        "rev": "66a68b4a58f7c554bd7746acd51ff7cc02840b0a",
+        "sha256": "16c54als3qlhrsq9akm9cdm1y50d7czsny7nnn7dprp3ry2agpdb",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/708cb61e82bfd957409f71988284cd2099c48d29.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/66a68b4a58f7c554bd7746acd51ff7cc02840b0a.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": "3d3c07026e365658b59d6215ebcb1b5e61757d0a",
-        "sha256": "1kylwrq9hl5srmhchz94801n0vri76x868n4z8anyrdrq4ldr4k4",
+        "rev": "9612cb909252c5c71b2e483ff05a9d0378e39953",
+        "sha256": "0x3x78z5x23gd1hl8r9k8j6kammcws3zzwlbcqvmy1vrzrsgrk67",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/3d3c07026e365658b59d6215ebcb1b5e61757d0a.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9612cb909252c5c71b2e483ff05a9d0378e39953.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": "c5d2491fd1fe5573a47d14707535d265d7af0a26",
-        "sha256": "0k7n30p9rddfc0vmaz564084a24p2g6zw2kn6mqgicc7j0px3p5g",
+        "rev": "5d5e970ce04933576957dfbf99cb7d4c1802c60d",
+        "sha256": "0sz2bk9k60wb75z8q8wjfihm35xnrqs278pxifqns7zi5ai6q3ns",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/c5d2491fd1fe5573a47d14707535d265d7af0a26.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5d5e970ce04933576957dfbf99cb7d4c1802c60d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "obelisk": {