diff --git a/entropy/nixos/configuration.nix b/entropy/nixos/configuration.nix
index 0110e1f..d4b103f 100644
--- a/entropy/nixos/configuration.nix
+++ b/entropy/nixos/configuration.nix
@@ -276,15 +276,15 @@
     # provided by my own overlay
     mlir
     circt
-    llvmPackages_17.clang
-    llvmPackages_17.lldb
-    llvmPackages_17.libcxx
-    llvmPackages_17.libcxxabi
-    llvmPackages_17.libllvm
-    llvmPackages_17.llvm-manpages
-    llvmPackages_17.openmp
-    llvmPackages_17.bintools
-    clang-tools_17
+    llvmPackages_18.clang
+    llvmPackages_18.lldb
+    llvmPackages_18.libcxx
+    #llvmPackages_18.libcxxabi
+    llvmPackages_18.libllvm
+    llvmPackages_18.llvm-manpages
+    llvmPackages_18.openmp
+    llvmPackages_18.bintools
+    clang-tools_18
     lit
 
     ## I heard you like man pages?
diff --git a/entropy/nixos/flake.lock b/entropy/nixos/flake.lock
index 476fcb5..f47c61d 100644
--- a/entropy/nixos/flake.lock
+++ b/entropy/nixos/flake.lock
@@ -21,11 +21,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1710783728,
-        "narHash": "sha256-eIsfu3c9JUBgm3cURSKTXLEI9Dlk1azo+MWKZVqrmkc=",
+        "lastModified": 1711352745,
+        "narHash": "sha256-luvqik+i3HTvCbXQZgB6uggvEcxI9uae0nmrgtXJ17U=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "1e679b9a9970780cd5d4dfe755a74a8f96d33388",
+        "rev": "9a763a7acc4cfbb8603bb0231fec3eda864f81c0",
         "type": "github"
       },
       "original": {
@@ -52,11 +52,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1711001935,
-        "narHash": "sha256-URtGpHue7HHZK0mrHnSf8wJ6OmMKYSsoLmJybrOLFSQ=",
+        "lastModified": 1711703276,
+        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "20f77aa09916374aa3141cbc605c955626762c9a",
+        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
         "type": "github"
       },
       "original": {
@@ -75,11 +75,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1711001935,
-        "narHash": "sha256-URtGpHue7HHZK0mrHnSf8wJ6OmMKYSsoLmJybrOLFSQ=",
+        "lastModified": 1711703276,
+        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "20f77aa09916374aa3141cbc605c955626762c9a",
+        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
         "type": "github"
       },
       "original": {