diff --git a/nix/sources.json b/nix/sources.json
index 1f529e9..fe6663e 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://nix-community.github.io/home-manager/",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "06ee8ec8dfc4554c374052cd7b7083765748af99",
-        "sha256": "1g2d6f4mhj71drnyh8wa7358f36vfw7yxdfq9cjwff1zaa9lp142",
+        "rev": "2b75633b2c470e1249d46fe5d9ee848e3f7ab4e7",
+        "sha256": "1gxjl027pvlk0xfrsd7inmwn3cwczqvqyyzpl5q4xrvjb30pf3xf",
         "type": "tarball",
-        "url": "https://github.com/nix-community/home-manager/archive/06ee8ec8dfc4554c374052cd7b7083765748af99.tar.gz",
+        "url": "https://github.com/nix-community/home-manager/archive/2b75633b2c470e1249d46fe5d9ee848e3f7ab4e7.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "niv": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f51caec3fc179127011da5568d572f096971ac63",
-        "sha256": "15rry0xwsyrck3pkms7c57lyldv21r2kich6j4180731x9m7hxf5",
+        "rev": "64c4e4bccebc056e0156ad7b822cdec87e29a87a",
+        "sha256": "1ivczd87nggwy6yhskv1fk4qq2va23k4lf0ry6ll9z1in2q8qq7i",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/f51caec3fc179127011da5568d572f096971ac63.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/64c4e4bccebc056e0156ad7b822cdec87e29a87a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }