diff --git a/nix/sources.json b/nix/sources.json
index 9869ce8..71ac03a 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -41,10 +41,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "ba57d5a29b4e0f2085917010380ef3ddc3cf380f",
-        "sha256": "1kpsvc53x821cmjg1khvp1nz7906gczq8mp83664cr15h94sh8i4",
+        "rev": "62fcf7d0859628f1834d84a7a0706ace0223c27e",
+        "sha256": "06ghvcsarvi32awxvgdxivaji8fsdhv46p49as8xx8whwia9d3rh",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/ba57d5a29b4e0f2085917010380ef3ddc3cf380f.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/62fcf7d0859628f1834d84a7a0706ace0223c27e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
@@ -53,10 +53,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "df25e214c8e662d693ef89e45ce56bbf58d6c59e",
-        "sha256": "117ir2ysw310q87mndv6czph5qjbhvggmhawcvak6x507yf0dxin",
+        "rev": "929768261a3ede470eafb58d5b819e1a848aa8bf",
+        "sha256": "0zi54vbfi6i6i5hdd4v0l144y1c8rg6hq6818jjbbcnm182ygyfa",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/df25e214c8e662d693ef89e45ce56bbf58d6c59e.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/929768261a3ede470eafb58d5b819e1a848aa8bf.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }