diff --git a/flake.lock b/flake.lock
index 48b9b0765..bae49d232 100644
--- a/flake.lock
+++ b/flake.lock
@@ -277,11 +277,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1712545072,
-        "narHash": "sha256-vb/6GtGmp/7wM74vEi7z1VmD9Tb0NWqVMIETf2bDoX8=",
+        "lastModified": 1713474460,
+        "narHash": "sha256-L3k9NUR9imLfm9EKytXJ9Lsx1AIjjAUgvdYCM0VX/4o=",
         "ref": "refs/heads/master",
-        "rev": "48ecacd922638487f65981c0018044b55dc7feb9",
-        "revCount": 160,
+        "rev": "fe968d0d39f49cae165da757e48d1365c607a38b",
+        "revCount": 167,
         "type": "git",
         "url": "https://gitlab.haskell.org/ghc/ghc-wasm-meta"
       },
@@ -389,11 +389,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1712967738,
-        "narHash": "sha256-jKx8KJxGHfdmFB2spyj58Na31cknm2RQWvo19vslF6U=",
+        "lastModified": 1713572844,
+        "narHash": "sha256-/XWI1qyfIaR2+Zfp9sFSkCS0tSLQ2kT8rZ8YO6TEC+w=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "c3ab2f880ee6c8af1f51e5e5202e96a29144a953",
+        "rev": "5fbda11a1e6c32f1deee000160bb67dfa9e06855",
         "type": "github"
       },
       "original": {
@@ -416,11 +416,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1712612784,
-        "narHash": "sha256-HPbFvSudO7iBwdn2VK9Gy1AV7klzgq7BmYJnH7yrMqU=",
+        "lastModified": 1713006438,
+        "narHash": "sha256-VLSOFnOXptUh2jAFQ4ZpHzfwiXGDbS/wZKrpikEXrfE=",
         "owner": "hackworthltd",
         "repo": "hacknix",
-        "rev": "eb217ef5356c58424848dac21249f543882e8b49",
+        "rev": "37ac3cb477dc52f906313b838c7c84d60af6b42e",
         "type": "github"
       },
       "original": {
@@ -448,6 +448,7 @@
         "hls-2.4": "hls-2.4",
         "hls-2.5": "hls-2.5",
         "hls-2.6": "hls-2.6",
+        "hls-2.7": "hls-2.7",
         "hpc-coveralls": "hpc-coveralls",
         "hydra": "hydra",
         "iserv-proxy": "iserv-proxy",
@@ -467,11 +468,11 @@
         "stackage": "stackage"
       },
       "locked": {
-        "lastModified": 1712969356,
-        "narHash": "sha256-d0syrqLiyhwuOA8dAWHZ0N8NNI51JvhtXySQYt2XvAQ=",
+        "lastModified": 1713574219,
+        "narHash": "sha256-QLCxxfmht4POO73ld1EH0w/GTb3XLgKLXcCitkMkLrs=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "7400a707f2363fcb0dd9f3066672bbbad6976bb9",
+        "rev": "e43654102de69c2a4ddfdcb067d42f203f0ecf51",
         "type": "github"
       },
       "original": {
@@ -729,11 +730,11 @@
     },
     "nixlib": {
       "locked": {
-        "lastModified": 1711846064,
-        "narHash": "sha256-cqfX0QJNEnge3a77VnytM0Q6QZZ0DziFXt6tSCV8ZSc=",
+        "lastModified": 1712450863,
+        "narHash": "sha256-K6IkdtMtq9xktmYPj0uaYc8NsIqHuaAoRBaMgu9Fvrw=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "90b1a963ff84dc532db92f678296ff2499a60a87",
+        "rev": "3c62b6a12571c9a7f65ab037173ee153d539905f",
         "type": "github"
       },
       "original": {
@@ -751,11 +752,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1712191720,
-        "narHash": "sha256-xXtSSnVHURHsxLQO30dzCKW5NJVGV/umdQPmFjPFMVA=",
+        "lastModified": 1712537332,
+        "narHash": "sha256-yYlxv1sg/TNl6hghjAe0ct+/p5PwXiT1mpuaExjhR88=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "0c15e76bed5432d7775a22e8d22059511f59d23a",
+        "rev": "d942db8df8ee860556a38754f15b8d03bf7e6933",
         "type": "github"
       },
       "original": {
@@ -766,11 +767,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712439257,
-        "narHash": "sha256-aSpiNepFOMk9932HOax0XwNxbA38GOUVOiXfUVPOrck=",
+        "lastModified": 1713248628,
+        "narHash": "sha256-NLznXB5AOnniUtZsyy/aPWOk8ussTuePp2acb9U+ISA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ff0dbd94265ac470dda06a657d5fe49de93b4599",
+        "rev": "5672bc9dbf9d88246ddab5ac454e82318d094bb8",
         "type": "github"
       },
       "original": {
@@ -1050,11 +1051,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1712055707,
-        "narHash": "sha256-4XLvuSIDZJGS17xEwSrNuJLL7UjDYKGJSbK1WWX2AK8=",
+        "lastModified": 1712897695,
+        "narHash": "sha256-nMirxrGteNAl9sWiOhoN5tIHyjBbVi5e2tgZUgZlK3Y=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "e35aed5fda3cc79f88ed7f1795021e559582093a",
+        "rev": "40e6053ecb65fcbf12863338a6dcefb3f55f1bf8",
         "type": "github"
       },
       "original": {
@@ -1095,7 +1096,6 @@
         "ghc-wasm": "ghc-wasm",
         "hacknix": "hacknix",
         "haskell-nix": "haskell-nix",
-        "hls-2.7": "hls-2.7",
         "nixpkgs": [
           "haskell-nix",
           "nixpkgs-unstable"
@@ -1106,11 +1106,11 @@
     "stackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1712966994,
-        "narHash": "sha256-0MMsCMyHDO1jv/DZC+g3rcNTNk/zfE9oeHTlM/rU4MU=",
+        "lastModified": 1713572055,
+        "narHash": "sha256-gyxWqQhTvI7MvSWj9tNBWvUIUw9I1RkoCkKYmT6nMQ8=",
         "owner": "input-output-hk",
         "repo": "stackage.nix",
-        "rev": "5964d4ef5062c2530502330605200796801a1052",
+        "rev": "0b92a647a8e834c8c13c346149501d50e85d7380",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 4a1aacef9..98f5f0390 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,9 +4,6 @@
   inputs = {
     haskell-nix.url = "github:input-output-hk/haskell.nix";
 
-    # Until `haskell.nix` catches up.
-    "hls-2.7" = { url = "github:haskell/haskell-language-server/2.7.0.0"; flake = false; };
-
     # We use this for some convenience functions only.
     hacknix.url = "github:hackworthltd/hacknix";
 
@@ -468,9 +465,7 @@
                   tools = {
                     ghcid = "latest";
 
-                    # Workaround for HLS in haskell.nix. Ref:
-                    # https://github.com/input-output-hk/haskell.nix/issues/1981#issuecomment-1594278049
-                    haskell-language-server.src = inputs."hls-2.7";
+                    haskell-language-server.src = pkgs.haskell-nix.sources."hls-2.7";
 
                     implicit-hie = "latest";