diff --git a/nix/sources.json b/nix/sources.json
index 568d43b..65232ad 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -41,10 +41,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d02d88f8de5b882ccdde0465d8fa2db3aa1169f7",
-        "sha256": "0hdb0ajwfl7xn1hznik4kj35adiksc8k5apllz3jniwrszpkwrwm",
+        "rev": "c570c1f5304493cafe133b8d843c7c1c4a10d3a6",
+        "sha256": "1p9n1pk48sj0f7jsnnk09clkwh7sgcf47a14rwki24hgqlf6r4mn",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/d02d88f8de5b882ccdde0465d8fa2db3aa1169f7.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/c570c1f5304493cafe133b8d843c7c1c4a10d3a6.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "rust-overlay": {
@@ -53,10 +53,10 @@
         "homepage": "",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "f93da1d26ba9963f34f94a6872b67a7939699543",
-        "sha256": "1ahj99gpajmd1s2zd2bq03yzbhb38pbln5nnv0k3r2b69zwjskw0",
+        "rev": "15c2a7930e04efc87be3ebf1b5d06232e635e24b",
+        "sha256": "0x3yrbb4a2g1z0mh08hqdl8lpbrm126xfkbg6wixkqsqy18rlv2m",
         "type": "tarball",
-        "url": "https://github.com/oxalica/rust-overlay/archive/f93da1d26ba9963f34f94a6872b67a7939699543.tar.gz",
+        "url": "https://github.com/oxalica/rust-overlay/archive/15c2a7930e04efc87be3ebf1b5d06232e635e24b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "unstable": {
@@ -65,10 +65,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "698214a32beb4f4c8e3942372c694f40848b360d",
-        "sha256": "0b1sxjghybf0fis20i9vjg79xwrjw597437v87clva97ghgbf3l7",
+        "rev": "5e5402ecbcb27af32284d4a62553c019a3a49ea6",
+        "sha256": "0a8xv91nz7qkyxs3nhszxj3vb9s5v1xgyhmm32y1fbb8njx7hrw1",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/698214a32beb4f4c8e3942372c694f40848b360d.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/5e5402ecbcb27af32284d4a62553c019a3a49ea6.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }