diff --git a/flake.lock b/flake.lock
index d08b8709..92b024e2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -19,11 +19,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1657114128,
-        "narHash": "sha256-/75zb6L4bma0/IdpgTec3ELo1owwi3L6c+SvHpci/iU=",
+        "lastModified": 1657191115,
+        "narHash": "sha256-sU1JrN/KOAUaUOppDlUe7T5DxaktfIgOPGSVx7W4BOg=",
         "owner": "accentor",
         "repo": "flake",
-        "rev": "46cbbd1aad761398d7ee463f9886971a584e94ea",
+        "rev": "11838590df587dd9082b0ad1b590645d4c36e4cc",
         "type": "github"
       },
       "original": {
@@ -45,11 +45,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1657127474,
-        "narHash": "sha256-8pxSBuZHdpogUuSY4wGliw6KOJh0q61b4Uolnyp9eNY=",
+        "lastModified": 1657191201,
+        "narHash": "sha256-30+xT9maKd6iBh9QxrY2Zap/z+F/Svh42xnkxyyI6Ag=",
         "owner": "accentor",
         "repo": "api",
-        "rev": "fcada9e6724a9229830d1b9d22e1b020e54389d1",
+        "rev": "56865e6d668e7c88fbccbb201a5dba6e73c0689f",
         "type": "github"
       },
       "original": {
@@ -71,11 +71,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1657114175,
-        "narHash": "sha256-V7wRZvSnQ6u/ac9L2Zzu5ofFS2VBVu4ZD8C+hlBAv9o=",
+        "lastModified": 1657191185,
+        "narHash": "sha256-wEF8VmhB6d7lZq/SASg8+QHB/5MgHW4b/R8GlEFPFfo=",
         "owner": "accentor",
         "repo": "web",
-        "rev": "7c4985f5fbc8ad97ad5750b95c1c72aacf1baa4b",
+        "rev": "3f1d8a2e959837bfca95aacfb5151d6c3515addf",
         "type": "github"
       },
       "original": {
@@ -153,11 +153,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1657164748,
-        "narHash": "sha256-R6n0HQJvkvd4YHR27GsmJP7ZC59SMybcOECPPgoqdr0=",
+        "lastModified": 1657189126,
+        "narHash": "sha256-/2RxGBtlxV+MRuEaoZ1JjnJvMpVkVhPvnnx5TxG1+4Y=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "f363cd08f63d71f07ee087a7fc16d914702c8b93",
+        "rev": "06f397cbbd804d2b5df8c7258b5cf89e2a521ae7",
         "type": "github"
       },
       "original": {
@@ -231,11 +231,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1657020478,
-        "narHash": "sha256-sU5hXEGcOcvz2xoPAuNLBQJLXjwvPpTkoddyXE8gw20=",
+        "lastModified": 1657114324,
+        "narHash": "sha256-fWuaUNXrHcz/ciHRHlcSO92dvV3EVS0GJQUSBO5JIB4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "71a4f0dc3d80ba76f437c888c1c3d59f1df98163",
+        "rev": "a5c867d9fe9e4380452628e8f171c26b69fa9d3d",
         "type": "github"
       },
       "original": {
@@ -305,11 +305,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1657113456,
-        "narHash": "sha256-I3i3RU9kR3C/Ml/gRbsEXz3McXpRZP4vlDibUpOCPgc=",
+        "lastModified": 1657190906,
+        "narHash": "sha256-ddTX6UHZBes2hlF8kk1nzv9oTVdO15u7kY8Ii94nwcg=",
         "owner": "chvp",
         "repo": "tetris",
-        "rev": "7b71eaf33a836bde16e73f83f65e9658c7e42496",
+        "rev": "210974fe6c54ed5c5207343554681e470d0af12b",
         "type": "github"
       },
       "original": {
diff --git a/patches/180331.patch b/patches/180331.patch
deleted file mode 100644
index ca9d4025..00000000
--- a/patches/180331.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From 2a497f5090dd2487065d1e70c105012b3d595bec Mon Sep 17 00:00:00 2001
-From: Charlotte Van Petegem <charlotte.vanpetegem@ugent.be>
-Date: Wed, 6 Jul 2022 11:43:01 +0200
-Subject: [PATCH] mu: 1.8.3 -> 1.8.5
-
-https://github.com/djcb/mu/releases/tag/v1.8.5
----
- pkgs/tools/networking/mu/default.nix | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
-index 3e68b54b9b50b..e980c8a76b81b 100644
---- a/pkgs/tools/networking/mu/default.nix
-+++ b/pkgs/tools/networking/mu/default.nix
-@@ -14,13 +14,13 @@
- 
- stdenv.mkDerivation rec {
-   pname = "mu";
--  version = "1.8.3";
-+  version = "1.8.5";
- 
-   src = fetchFromGitHub {
-     owner = "djcb";
-     repo = "mu";
-     rev = "v${version}";
--    sha256 = "gEqhk600pYHOcYhwr8LGvXHH8KcinX5MbMqYGyYOsnY=";
-+    sha256 = "BbH8P5l3zoBKeyFUxJqXIn0sUqg80BApdJCoz+bG/uc=";
-   };
- 
-   postPatch = ''