diff --git a/flake.lock b/flake.lock
index 5ab13e4..077b45d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682926881,
-        "narHash": "sha256-EW5CXj+JY+kn0ilmZXojlAaHMR+mju4Hvlvj2Ia6AvY=",
+        "lastModified": 1683184628,
+        "narHash": "sha256-neWVhOZzTjXyMLFDjAyHhYhz4tO9XpuKA9WDm0hrQE4=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "5989fbc8c46edb4f09221a4f09048a2ffec4b43f",
+        "rev": "ecd71c0c3be3692539ce435d8a4317937fe3ea14",
         "type": "github"
       },
       "original": {
@@ -30,11 +30,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1683018563,
-        "narHash": "sha256-Ey2S3yPtK124CC689OyDtjAedmRmCjH54ixXHIMrqYk=",
+        "lastModified": 1683170309,
+        "narHash": "sha256-+APLd91AIU491eFp4qf66jnRacFfSqhwW438LNJUlls=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "92fde9649b26dce1bd29924086360987cc8c7b2b",
+        "rev": "42a2a718bdcbe389e7ef284666d4aba09339a416",
         "type": "github"
       },
       "original": {
@@ -138,11 +138,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682977601,
-        "narHash": "sha256-F1Va/Uiw2tVNn27FLqWyBkiqDyIm/eCamw9wA/GK8Fw=",
+        "lastModified": 1683153724,
+        "narHash": "sha256-wiQ8pBYbbPklLngAz5w3VvwmpLqTNroKc7um56iCLHo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "0e4c33d76006c9080d2f228ba1c2308e3e4d7be6",
+        "rev": "514c0a71f47cb80282742d7e4b6913c2c0582c2d",
         "type": "github"
       },
       "original": {
@@ -161,11 +161,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682975693,
-        "narHash": "sha256-2j8iTemtkFr6NK5FOQ/z9R+j2/sBM3rvngCzQKLQm1I=",
+        "lastModified": 1683150901,
+        "narHash": "sha256-wQuvrVytBm1AEhNh8fPrj/1Zjk34GYPWd6vGUmLu9YE=",
         "owner": "astro",
         "repo": "microvm.nix",
-        "rev": "ec4c3afcfa09dd6d4f3c25a2337cb66bc5293b3d",
+        "rev": "dc58e7a2250ddabb6e3c3d94283122b97c496d27",
         "type": "github"
       },
       "original": {
@@ -403,11 +403,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682993975,
-        "narHash": "sha256-LlI5vwUw97NLAwcOYHRLRfhICVdp7MK2KFcUSj0Zwdg=",
+        "lastModified": 1683166725,
+        "narHash": "sha256-AiWkKkt9jSyMRAl+hYo3Mau9uNRsFnCQDD+vtH5hbS8=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "07f421299826591e2b28e03bbbe19a5292395afe",
+        "rev": "2265f87e8f23890258a11593e15df755804fc9d6",
         "type": "github"
       },
       "original": {
diff --git a/users/erwin/work.nix b/users/erwin/work.nix
index 7264f18..e89cc16 100644
--- a/users/erwin/work.nix
+++ b/users/erwin/work.nix
@@ -50,7 +50,7 @@ in
             enable = true;
             name = "Erwin Boskma";
             email = "erwin@horus.nu";
-            signingKey = "~/.ssh/id_ed25519_sk";
+            signingKey = "~/.ssh/id_ed25519";
             signingKeyFormat = "ssh";
           };
           gpg.enable = true;