diff --git a/nix/sources.json b/nix/sources.json
index 14be846a..e5f8a718 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "90493027e33ba9eb3f50dc1da365d0e4ca31bf14",
-        "sha256": "0jnxpc1ywnccri1d3m7hqrmxzifi65dk1zyh9xdlbx1fjm4x6xr5",
+        "rev": "b840707a87f6a35a5c24ea6edf8846741d924616",
+        "sha256": "0slgmf74dcnjp6va1gi6vcxxqbag4sk6zk5w5p6rlcjs5q3d2idl",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/90493027e33ba9eb3f50dc1da365d0e4ca31bf14.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/b840707a87f6a35a5c24ea6edf8846741d924616.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": "900115a4f7fdd9189e7803ca781a65be663f2c89",
-        "sha256": "11551nawxjbgya8sq1p6ghkbws9qz9fbfq3wqawm3zh8ayr4l13j",
+        "rev": "ea7d4aa9b8225abd6147339f0d56675d6f1f0fd1",
+        "sha256": "11bwgyglag40w2y50nq2gg4697ymdjprkgip75kb3hjrvvwpma53",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/900115a4f7fdd9189e7803ca781a65be663f2c89.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/ea7d4aa9b8225abd6147339f0d56675d6f1f0fd1.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": "cc73a46e9a7c13c21dc4baa061fb0d4152b6fc52",
-        "sha256": "1ifkkb1piys4pnmkc1aphp1nwqv3xsp1b5z14ysnppsbv4py3yj7",
+        "rev": "bcdb2d69bbbdc44c29db36aec72ef36d6d44fc35",
+        "sha256": "093wfmlgwjb26y0n8i0gynm72lwb9qlq98any8a66qchmr60c54v",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/cc73a46e9a7c13c21dc4baa061fb0d4152b6fc52.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/bcdb2d69bbbdc44c29db36aec72ef36d6d44fc35.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nvd": {