diff --git a/flake.lock b/flake.lock
index 918624d9fff..94523920682 100644
--- a/flake.lock
+++ b/flake.lock
@@ -35,11 +35,11 @@
     "hackage-nix": {
       "flake": false,
       "locked": {
-        "lastModified": 1664154828,
-        "narHash": "sha256-5cO7wP+HgCG6KW+Ag4qFk8ymZ79M+TvelKvKAA3WXLc=",
+        "lastModified": 1664414130,
+        "narHash": "sha256-aC/j2qf7nQaZZ7J2AbELHGrCQ/pvc3Kf8sSgTs9INVc=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "18e082f5e8aa744e26a159dd31477222aa298380",
+        "rev": "3c491f25bd4fc1138ea4350ede0ec876fc4df7c4",
         "type": "github"
       },
       "original": {
@@ -51,16 +51,16 @@
     "haskell-language-server": {
       "flake": false,
       "locked": {
-        "lastModified": 1650980856,
-        "narHash": "sha256-uiwsfh/K3IABZDYj7JUZNIAPRVqH6g/r8X6QKg8DrZE=",
+        "lastModified": 1663135728,
+        "narHash": "sha256-ghyyig0GZXRXS56FxH8unpDceU06i/uGBCBmRwneZPw=",
         "owner": "haskell",
         "repo": "haskell-language-server",
-        "rev": "b5a37f7fc360596899cb2945f363030f44156415",
+        "rev": "ddb21a0c8d4e657c4b81ce250239bccf28fc9524",
         "type": "github"
       },
       "original": {
         "owner": "haskell",
-        "ref": "1.7.0.0",
+        "ref": "1.8.0.0",
         "repo": "haskell-language-server",
         "type": "github"
       }
@@ -68,11 +68,11 @@
     "haskell-nix": {
       "flake": false,
       "locked": {
-        "lastModified": 1661131248,
-        "narHash": "sha256-UCbiKv4DWeGVeOknUbQqJkk0sZAn34CSntjIG12uWOg=",
+        "lastModified": 1664461513,
+        "narHash": "sha256-mmjqQzVJ7So3GuagPC26CQVVRXsKqvkeDMjyymMJF1E=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "e36a34c4abc02287ec79bf88a0c993f6b66f9945",
+        "rev": "d6ce79f4b5350e4dd5b4b834b0a0e764cf16dff3",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 82cf6c85adc..93276a9a351 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,7 +30,7 @@
     };
     haskell-language-server = {
       # Pinned to a release
-      url = "github:haskell/haskell-language-server?ref=1.7.0.0";
+      url = "github:haskell/haskell-language-server?ref=1.8.0.0";
       flake = false;
     };
     iohk-nix = {
diff --git a/nix/pkgs/haskell/extra.nix b/nix/pkgs/haskell/extra.nix
index a35e3f66745..af6e680cfe4 100644
--- a/nix/pkgs/haskell/extra.nix
+++ b/nix/pkgs/haskell/extra.nix
@@ -91,6 +91,9 @@ let
       constraints: stylish-haskell==0.13.0.0, hlint==3.2.8
     '';
     src = sources.haskell-language-server;
+    sha256map = {
+      "https://github.com/pepeiborra/ekg-json"."7a0af7a8fd38045fd15fb13445bdcc7085325460" = "sha256-fVwKxGgM0S4Kv/4egVAAiAjV7QB5PBqMVMCfsv7otIQ="; # editorconfig-checker-disable-line
+    };
     inherit compiler-nix-name;
     modules = [{
       # See https://github.com/haskell/haskell-language-server/pull/1382#issuecomment-780472005