diff --git a/flake.lock b/flake.lock
index 9e46338..0240c91 100644
--- a/flake.lock
+++ b/flake.lock
@@ -42,11 +42,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1661154924,
-        "narHash": "sha256-zwkShc4VZ9feLeIrWjdm6YkZBoobzXETF5xIIgi++Ec=",
+        "lastModified": 1661882940,
+        "narHash": "sha256-4LaVFnV22WrOA0aolqqk9dXrM8crikcrLQt29G18F7M=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "5af1aa51f63d734284bf6728a21d2c9c31eb7492",
+        "rev": "80cec5115aae74accc4ccfb9f84306d7863f0632",
         "type": "github"
       },
       "original": {
@@ -88,11 +88,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1660857879,
-        "narHash": "sha256-1ch9zkr3tgU/q3OLBy7m3KefVlKrQIWDRYcb9aFmOJ0=",
+        "lastModified": 1661212356,
+        "narHash": "sha256-+9P849WIb/zhAMWXrW9g0IRd7vFRj5a5acLTtOFyY48=",
         "owner": "input-output-hk",
         "repo": "deploy-rs",
-        "rev": "f81eb2b23291a0e3430703d92b6cbcefac7734d7",
+        "rev": "4da8eb9fc3e611adf4bbe8c8df5b1fc604c4f906",
         "type": "github"
       },
       "original": {
@@ -169,11 +169,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1661149922,
-        "narHash": "sha256-rvYJU7qdQUe82MaZoMVLyCcqQsITB4OK+TuYlT0xXDg=",
+        "lastModified": 1662014151,
+        "narHash": "sha256-uRfeib0Qvd9mTPEURZ6VIL5YfZfHvYovd83Xee3y1pk=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "b30862cd69d405849e4b3e79972da551bf5620bb",
+        "rev": "e7886bedc391d9eb8e0f2ae9b9954648dedc625b",
         "type": "github"
       },
       "original": {
@@ -379,11 +379,11 @@
     },
     "latest": {
       "locked": {
-        "lastModified": 1661088761,
-        "narHash": "sha256-5DGKX81wIPAAiLwUmUYECpA3vop94AHHR7WmGXSsQok=",
+        "lastModified": 1661931183,
+        "narHash": "sha256-0+2KzcexiJCB3Il5t7cZAM2RXNRfm5/gMCwhcZJxLuQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a7855f2235a1876f97473a76151fec2afa02b287",
+        "rev": "97747d3209efde533f7b1b28f1be11619f556a06",
         "type": "github"
       },
       "original": {
@@ -415,11 +415,11 @@
     },
     "nixos": {
       "locked": {
-        "lastModified": 1661094678,
-        "narHash": "sha256-RtaVb6SqfrgCi20gdju1ogS3u1ocyLnhsgolazrCwL0=",
+        "lastModified": 1661972992,
+        "narHash": "sha256-50235YW76Jnx4okogoJv/sMz+WNnqC+0DqtkV3jm2XM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "23534df34c1c499a6c82ce690df06d8c6e4e759d",
+        "rev": "067d5d5b89133efcda060bba31f9941c6396e3ee",
         "type": "github"
       },
       "original": {
@@ -446,11 +446,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1660998696,
-        "narHash": "sha256-N5eDv9THZz5pFn7NR1swaFrAJYByfrA5gU5L7JONItA=",
+        "lastModified": 1661931183,
+        "narHash": "sha256-0+2KzcexiJCB3Il5t7cZAM2RXNRfm5/gMCwhcZJxLuQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "13711c9ab9f5a160a44affb7a6221be53318a873",
+        "rev": "97747d3209efde533f7b1b28f1be11619f556a06",
         "type": "github"
       },
       "original": {
@@ -567,11 +567,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1661084493,
-        "narHash": "sha256-G/IElEE6eetQcLpESXCQtuYED/uTrsdeZj8fkqC3FSM=",
+        "lastModified": 1661974973,
+        "narHash": "sha256-19RhQFoSiVM6/7+Gf41A7Sa6mHjsV5Hooxsk+4rNZNM=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "a670ff888437f4b6a3d24cc2996e9f969a87cbae",
+        "rev": "643c3a54de9da45f07ba9282c2ec7917d9ee7225",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 4d0fea4..7b65bc2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -74,11 +74,12 @@
           nixos = {
             imports = [ (digga.lib.importOverlays ./overlays) ];
             overlays = [
+              # fenix.overlay breaks the cache, because it uses the system nixpkgs
+              (prev: _: { fenix = import fenix { system = prev.system; }; })
               agenix.overlay
               nvfetcher.overlay
               ./pkgs/default.nix
 
-              fenix.overlay
               peerix.overlay
             ];
           };