diff --git a/nix/sources.json b/nix/sources.json
index 93b1f515..64abef49 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -77,10 +77,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "22e1f901df0c747aa61cbe31b23e12975822b2cd",
-        "sha256": "17d848pvh94qndzzwz8k7lb1vfgbbhqzrdf9mcqxn1n8mnwa1b89",
+        "rev": "6f03879b8a91fb0c33c7186da347b914deee3efc",
+        "sha256": "04pl8b4gnbfakapjskm4030qlklwzjk0x45jn9gcnjpdl7s8ri33",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/22e1f901df0c747aa61cbe31b23e12975822b2cd.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/6f03879b8a91fb0c33c7186da347b914deee3efc.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixfmt": {
@@ -125,10 +125,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs-channels",
-        "rev": "808d3c6d12386009e1d1b8e8461d1e8d8fdc5ff1",
-        "sha256": "07d910k8q6q25vk67k2v8dnpn9b41mvc0rzqwlx9zddxqrdxa9bz",
+        "rev": "3a1861fcabcdf08a0c369e49b48675242ceb3aa2",
+        "sha256": "0sh2b4kb9vl4vz1y4mai986rlx80nsiv25f2lmdq06m5q7l0n0k9",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs-channels/archive/808d3c6d12386009e1d1b8e8461d1e8d8fdc5ff1.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs-channels/archive/3a1861fcabcdf08a0c369e49b48675242ceb3aa2.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "tabnine-vim": {