diff --git a/pkgs/data/fonts/iosevka/bin.nix b/pkgs/data/fonts/iosevka/bin.nix
index 8188c569ff7d..90b64c5f159e 100644
--- a/pkgs/data/fonts/iosevka/bin.nix
+++ b/pkgs/data/fonts/iosevka/bin.nix
@@ -10,7 +10,7 @@ let
     (builtins.attrNames (builtins.removeAttrs variantHashes [ "iosevka" ]));
 in stdenv.mkDerivation rec {
   pname = "${name}-bin";
-  version = "3.7.1";
+  version = "4.0.0";
 
   src = fetchurl {
     url = "https://github.com/be5invis/Iosevka/releases/download/v${version}/ttc-${name}-${version}.zip";
diff --git a/pkgs/data/fonts/iosevka/variants.nix b/pkgs/data/fonts/iosevka/variants.nix
index b3fd986c4caf..e3157db6c918 100644
--- a/pkgs/data/fonts/iosevka/variants.nix
+++ b/pkgs/data/fonts/iosevka/variants.nix
@@ -1,24 +1,24 @@
 # This file was autogenerated. DO NOT EDIT!
 {
-  iosevka = "0h226f32nwlqnsdc86bwk2wcdl2hsq5q1s2ln6dsf9m7w8ajn0nr";
-  iosevka-aile = "05k3h7n7mkpdsjcxha27vjj503b4129jd90wj8qyk5h0nrgy1rc6";
-  iosevka-curly = "0fxcc99n9ghkdjmfxba9mg4fc0dwlvnnxlmc618jv6s3k2xn7sza";
-  iosevka-curly-slab = "1qgxyw5v91l4cw3mvqzagk9amyy63iqh72bnsz63daxgss3fpsab";
-  iosevka-etoile = "184rjidnjayv5wsrxxxf39mvdcjafdwcvp0h4rfniy9s0ifrwjvf";
-  iosevka-slab = "1cbrv5pyhnvwrdaj8r011igw2yjgzzigd82g1r10d348lk64wja1";
-  iosevka-sparkle = "124jnjzffnfw58b78svw8rzgal10z5nspwc267pvq7q0f2ak1wpp";
-  iosevka-ss01 = "18ckb0ch4za4vgwqz8azx8vhg9v9a922ffbckrbmy8n5bi03dl7w";
-  iosevka-ss02 = "0cwm2jdni5m9z0xagpmq9vvjp3yvin7c7bnavsj15yfvpq8b8qsp";
-  iosevka-ss03 = "1yzbvkr726f8mm024qzy2hdd7nz4kymgjm0cj5208c57bln0byr2";
-  iosevka-ss04 = "1kpz84a1cb39rxc87whw0fh0k9ak2qbcq59hm425da2acf27a648";
-  iosevka-ss05 = "1xnnm96jnw90mhwylsw1ad6m8pr4r1bd02l7g82m5hmr7bc4b7dd";
-  iosevka-ss06 = "1raw01ijiawaqxfmj0m8z8jrb2ns7vzy68lak63mss8j35xzg1l5";
-  iosevka-ss07 = "0bjhjwjif7qw6wyyrzfg2pdvy1b070k053ndmjard6sh1rcln02d";
-  iosevka-ss08 = "1qwgk8riff57np4hlmd0kcl9bx511x9zmnlrjq3ilfn6abdwgm7i";
-  iosevka-ss09 = "0sfnhmcrsv1v7l756hx70y1mrp35fbs6wrsczw4vxfbbaigs767r";
-  iosevka-ss10 = "10n70z7588h8y2z274vjn6hvzc7lg87znibcmkk2brmx2g5bw2wl";
-  iosevka-ss11 = "0mnyd04vdqr8jm3syv6ddrn61f27k91kxkdy86pp34xaac2ipmm0";
-  iosevka-ss12 = "1f8pn2220s6r566b40ncnqrfmfdhnlr0nkvzj9swgvx66jr8mlhj";
-  iosevka-ss13 = "1py5qgfqm9wp9pzcxg83mydvf3r6nhrqi21d0fvmnk04ghk1psd6";
-  iosevka-ss14 = "0z47kqicd26x5v94zy97xyl277v0s6856pbllfn1gv92ax2dg5cy";
+  iosevka = "05wlap8r7kfg5zyj8gf7i1cypgs6lwpkh51g4cyj01zjkkv9g7k8";
+  iosevka-aile = "18qa6q1djjr34aj340ab47ajkkcq4wfv7m36f303kabgwfif247r";
+  iosevka-curly = "138hl95n3c2cfblzgh8adi1aljwn1xljjbffd0nrb12hipmgddql";
+  iosevka-curly-slab = "0x18zzphri1fx4lql51n8bam0pq2xb61p1gx50km3wlvkrbmbj23";
+  iosevka-etoile = "0byv8x3nqjka4ivpa8h6hq2k18cjnf69qmcc06dy4ym45a34qqsw";
+  iosevka-slab = "0a2h1g69r9nmp5cskgciywsiq07rxn0cskhvwbwaq64rsqbr1l58";
+  iosevka-sparkle = "13kwdgziylicwkl9s9v9bx9zbbrsrys6n7gx2jzgkdlsj8wkd73i";
+  iosevka-ss01 = "0achcgfcya6sl15wknlyyghpz3d7q62wa0fikl74wr5xyl7h7f1f";
+  iosevka-ss02 = "09gsawl61acykpd2429g1mz0l7i4gl0j1fl0lzc1giy6kbvrkggb";
+  iosevka-ss03 = "07fdxmlpqv6z5hbly8l344x96m80jbz8rq5h9qkfz63xlq0376sj";
+  iosevka-ss04 = "0q3v6spylhaxsf6spv6q5kh87mxbkh9x04s3h1g3rjv6gdlxi9n4";
+  iosevka-ss05 = "1zzdx4d6zrc1qbhsp0bfg91v63h1y943pylfxns09bzk9wjppvba";
+  iosevka-ss06 = "1a3ar8xhn9rf5isxvwqvifczl20ddgs4dw9ypjflmdbyhr3n0yw5";
+  iosevka-ss07 = "01x33sx5d54mdph7csnk6mhkhyc879rwp9spxwyrajghzd0ql8w6";
+  iosevka-ss08 = "0a1kmyr5q2w7qky0ya0gaqmg0lhdafyag8c8idacl7gnra944hi0";
+  iosevka-ss09 = "0m7cm8c3795a8kfy19d9wjmii6ycimcclg5pn9g91kg49q8y9gi2";
+  iosevka-ss10 = "1gfdjz6yifbyb9gl19q3q69as3fnmih17ghhrzzhc7qll68r6k6z";
+  iosevka-ss11 = "119ivw6kcqvzbj46xv8avpg56w3nqdkhhl176gj3bpk1jbjip1wh";
+  iosevka-ss12 = "1vx8rc328whsjjj87fa29kpp9ibk6x52r1brjp37cywjd5ix6l78";
+  iosevka-ss13 = "1gmmm2jlvrl6pzcsc2bhy3qvmzmsns8hlc52ddrwdbw0wi28zhs3";
+  iosevka-ss14 = "0mwg2bvkpxzpsdhky9k6fn81061pk0f23whj1hj4mn191xpw41fy";
 }