diff --git a/nix/sources.json b/nix/sources.json
index 6363c02a..bebbf0d0 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "da923602089501142855bbb3c276fbc36513eefb",
-        "sha256": "0g0y3fhjnwl2xbcmc2y8y05r6n1x2dwq9kpwwbp0q7fxma5518ba",
+        "rev": "21952f1cab9dcfee92d46448391412701fea4314",
+        "sha256": "0kshxd4fk8aklqbzjdvj6gck84dvjfd7psr1d6vmc10x3ilv342f",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/da923602089501142855bbb3c276fbc36513eefb.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/21952f1cab9dcfee92d46448391412701fea4314.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "kassandra": {
@@ -93,10 +93,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ae012d706d798d3f647e0c6eb852080c74d3ef73",
-        "sha256": "0imv5p1whdjpzy0hsqdcrvyfknbmxqd8dd4ys0yh00knsagp1yaw",
+        "rev": "a7d68c87c8ada6fea3790e7f5e9622215b0718cc",
+        "sha256": "1q4clzly9k2hxaahw6n1zsac2cyxj7qwn58z3gfsd3p99bxsilg4",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/ae012d706d798d3f647e0c6eb852080c74d3ef73.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a7d68c87c8ada6fea3790e7f5e9622215b0718cc.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "obelisk": {