diff --git a/nix/sources.json b/nix/sources.json
index 1900b62..83d02be 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7f5d9eca0b8afbbb7e179951501bda39e9f0ce1a",
-        "sha256": "0m9k42508xk6x343qzz1r6xjkixf367g9sasd5bisj7zsfbqx77s",
+        "rev": "65c9cc79f1d179713c227bf447fb0dac384cdcda",
+        "sha256": "0whxlm098vas4ngq6hm3xa4mdd2yblxcl5x5ny216zajp08yp1wf",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/7f5d9eca0b8afbbb7e179951501bda39e9f0ce1a.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/65c9cc79f1d179713c227bf447fb0dac384cdcda.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pre-commit-hooks.nix": {
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "431227b41d0aaa83fabdee6611e145b7d9bd150b",
-        "sha256": "0ff24n8i3mfw0jw5r5lsgvbahmh88zhi3qsk9yxrb8x82jprgzsy",
+        "rev": "1b11ce0f8c65dd3d8e9520e23c100b76d09a858b",
+        "sha256": "0l2v8hsxrvj8w335xxxln49rpd9z5ncv6bl2wnk65zzzd4wa5rkm",
         "type": "tarball",
-        "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/431227b41d0aaa83fabdee6611e145b7d9bd150b.tar.gz",
+        "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/1b11ce0f8c65dd3d8e9520e23c100b76d09a858b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }