diff --git a/flake.lock b/flake.lock
index 0f1eb63..1ff9f9e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -740,15 +740,16 @@
     "kak-lsp": {
       "flake": false,
       "locked": {
-        "lastModified": 1723206901,
-        "narHash": "sha256-wPCu/VxAMIB+zI0+eDq7lJ/rHJZfe0whYzdoiwrixCc=",
+        "lastModified": 1734533380,
+        "narHash": "sha256-7ULohcCpIKOb7CtsF2dIkiRt94uBIrGD5pQ2AEfrNrY=",
         "owner": "kakoune-lsp",
         "repo": "kakoune-lsp",
-        "rev": "ebd370f43cb6e7af634e5f8cadb99cc8c16e1efe",
+        "rev": "dc348f04038f7286d606e99719509d6dbd2469da",
         "type": "github"
       },
       "original": {
         "owner": "kakoune-lsp",
+        "ref": "v18.1.1",
         "repo": "kakoune-lsp",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 19e21d2..babfc3d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,7 +55,7 @@
     # --- Sources
     kakoune.url = github:mawww/kakoune;
     kakoune.flake = false;
-    kak-lsp.url = github:kakoune-lsp/kakoune-lsp;
+    kak-lsp.url = "github:kakoune-lsp/kakoune-lsp/v18.1.1";
     kak-lsp.flake = false;
     nixos-m1.url = github:tpwrules/nixos-apple-silicon;
     nixos-m1.inputs.nixpkgs.follows = "nixpkgs";