diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f8b72ce..f8b0437 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,9 @@ jobs:
     strategy:
       matrix:
         # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners
-        os: [ubuntu-latest, ubuntu-24.04-arm, macos-14, macos-15, macos-15-intel]
+        os: [ ubuntu-latest, ubuntu-24.04-arm, ubuntu-26.04
+            , macos-latest, macos-14, macos-15, macos-26
+            ]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     permissions:
diff --git a/flake.lock b/flake.lock
index a529864..762922c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1777641297,
-        "narHash": "sha256-WNGcmeOZ8Tr9dq6ztCspYbzWFswr2mPebM9LpsfGxPk=",
+        "lastModified": 1786348146,
+        "narHash": "sha256-we5zDEFfn8TgzeWKjKDMIjeQZ59omEPl23NIF+13/ys=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c6d65881c5624c9cae5ea6cedef24699b0c0a4c0",
+        "rev": "d482ef84049d9b7276b83a06e4e4d76983830097",
         "type": "github"
       },
       "original": {
@@ -44,13 +44,13 @@
     "solc-macos-amd64-list-json": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-zzwwHA2qPotv7yp8mK7+y9BZhm7ytuFeCJVvKBBdBn4=",
+        "narHash": "sha256-Vfa5XmxKcrBfMdJX3nWo+s0YixtdZND6l4llwNp+Xl0=",
         "type": "file",
-        "url": "https://github.com/argotorg/solc-bin/raw/902dfaf/macosx-amd64/list.json"
+        "url": "https://github.com/argotorg/solc-bin/raw/97e2659/macosx-amd64/list.json"
       },
       "original": {
         "type": "file",
-        "url": "https://github.com/argotorg/solc-bin/raw/902dfaf/macosx-amd64/list.json"
+        "url": "https://github.com/argotorg/solc-bin/raw/97e2659/macosx-amd64/list.json"
       }
     },
     "systems": {
@@ -71,4 +71,4 @@
   },
   "root": "root",
   "version": 7
-}
\ No newline at end of file
+}
diff --git a/flake.nix b/flake.nix
index e484862..588fd9f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,6 @@
       [
         "x86_64-linux"
         "aarch64-linux"
-        "x86_64-darwin"
         "aarch64-darwin"
       ]
       (
diff --git a/mk-solc-static-pkg.nix b/mk-solc-static-pkg.nix
index 149106c..95a21a8 100644
--- a/mk-solc-static-pkg.nix
+++ b/mk-solc-static-pkg.nix
@@ -25,7 +25,6 @@ let
     {
       x86_64-linux = "solc-static-linux";
       aarch64-linux = "solc-static-linux-arm";
-      x86_64-darwin = "solc-macos-amd64";
       aarch64-darwin = "solc-macos-aarch64";
     }
     # We musnt' throw here, since nixos-rebuild seems not liking it.
diff --git a/test/flake.nix b/test/flake.nix
index 6b8c5bf..7c3b430 100644
--- a/test/flake.nix
+++ b/test/flake.nix
@@ -20,7 +20,6 @@
       [
         "x86_64-linux"
         "aarch64-linux"
-        "x86_64-darwin"
         "aarch64-darwin"
       ]
       (
@@ -49,11 +48,6 @@
                     ]
                   else if system == "aarch64-linux" then
                     [ solc_0_8_31 ]
-                  else if system == "x86_64-darwin" then
-                    [
-                      solc_0_4_11
-                      solc_0_7_6
-                    ]
                   else if system == "aarch64-darwin" then
                     [ solc_0_8_5 ]
                   else