diff --git a/nix/sources.json b/nix/sources.json
index f78cfcf..96525b3 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,22 +5,22 @@
         "homepage": "",
         "owner": "hercules-ci",
         "repo": "gitignore.nix",
-        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
-        "sha256": "07vg2i9va38zbld9abs9lzqblz193vc5wvqd6h7amkmwf66ljcgh",
+        "rev": "43e1aa1308018f37118e34d3a9cb4f5e75dc11d5",
+        "sha256": "1rlja3ba9s1n0icy3aarwhx9hk1jyfgngzizbn1afwwdlpvdlqw0",
         "type": "tarball",
-        "url": "https://github.com/hercules-ci/gitignore.nix/archive/a20de23b925fd8264fd7fad6454652e142fd7f73.tar.gz",
+        "url": "https://github.com/hercules-ci/gitignore.nix/archive/43e1aa1308018f37118e34d3a9cb4f5e75dc11d5.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "release-22.11",
+        "branch": "release-23.11",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "62ffdb32823e8d8caca00d0d75ac8e02212de76b",
-        "sha256": "0nfz26f2lc75av8ijvavq3ajq6cqwmlkn62fcy76222v9hyhqdcy",
+        "rev": "6723fa4e4f1a30d42a633bef5eb01caeb281adc3",
+        "sha256": "16wshya4xpy5ipsjlcyy13qi01slma6825y5ihzq0c90g3y8l6h0",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/62ffdb32823e8d8caca00d0d75ac8e02212de76b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/6723fa4e4f1a30d42a633bef5eb01caeb281adc3.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }