diff --git a/flake.lock b/flake.lock
index e01237f392..4f3ce231c8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -12,6 +12,30 @@
         "url": "https://hackage.haskell.org/package/aeson-1.5.2.0/aeson-1.5.2.0.tar.gz"
       }
     },
+    "base-compat": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-Km8tvqCkMgYh38fm/uitS49+//vRBxzSZzFzhqUY8Ak=",
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/base-compat-0.12.2/base-compat-0.12.2.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/base-compat-0.12.2/base-compat-0.12.2.tar.gz"
+      }
+    },
+    "base-compat-batteries": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-6sCgAD6EJvE4xBpu02F5thHvKqGuSK3QUQWJcNaSKK0=",
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/base-compat-batteries-0.12.2/base-compat-batteries-0.12.2.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/base-compat-batteries-0.12.2/base-compat-batteries-0.12.2.tar.gz"
+      }
+    },
     "brittany-01312": {
       "flake": false,
       "locked": {
@@ -24,6 +48,18 @@
         "url": "https://hackage.haskell.org/package/brittany-0.13.1.2/brittany-0.13.1.2.tar.gz"
       }
     },
+    "cereal": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-UII2NFJdfJU7YzrU8jUJjZJ+2H/0RUJopxGVJQeadyk=",
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/cereal-0.5.8.3/cereal-0.5.8.3.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/cereal-0.5.8.3/cereal-0.5.8.3.tar.gz"
+      }
+    },
     "constraints-extras": {
       "flake": false,
       "locked": {
@@ -146,16 +182,28 @@
         "type": "github"
       }
     },
+    "hashable": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-1o7UxdUV75QAdvSjZIx+zzoyY/pK6veIIJ5lspNrSFc=",
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/hashable-1.4.1.0/hashable-1.4.1.0.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://hackage.haskell.org/package/hashable-1.4.1.0/hashable-1.4.1.0.tar.gz"
+      }
+    },
     "hie-bios": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-5RqspT27rb/tMBwrKr4VfSSbq0+c0LMNuaKlTun0Kkk=",
+        "narHash": "sha256-KLAg++tO9lCOn7R/cSN2wLbrhpeBOOmeTEh7auIbUNk=",
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/hie-bios-0.9.1/hie-bios-0.9.1.tar.gz"
+        "url": "https://hackage.haskell.org/package/hie-bios-0.11.0/hie-bios-0.11.0.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/hie-bios-0.9.1/hie-bios-0.9.1.tar.gz"
+        "url": "https://hackage.haskell.org/package/hie-bios-0.11.0/hie-bios-0.11.0.tar.gz"
       }
     },
     "hlint": {
@@ -197,13 +245,13 @@
     "lsp": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-+rkFYvSAI1hyFxPkgWZReyM2P6irVDpGVUGK8mcfEJE=",
+        "narHash": "sha256-g5R34SVz0kRD5zpODNsaaaIJOHty10cTS6ZDPi4s8pc=",
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/lsp-1.5.0.0/lsp-1.5.0.0.tar.gz"
+        "url": "https://hackage.haskell.org/package/lsp-1.6.0.0/lsp-1.6.0.0.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/lsp-1.5.0.0/lsp-1.5.0.0.tar.gz"
+        "url": "https://hackage.haskell.org/package/lsp-1.6.0.0/lsp-1.6.0.0.tar.gz"
       }
     },
     "lsp-test": {
@@ -221,13 +269,13 @@
     "lsp-types": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-q4XTvIvsLvISjgedpRktJbWsWHSRIQbOx2Z/2u+3s50=",
+        "narHash": "sha256-QSixsrCvsWlckG/LLF1z8LsHhqaXxVAxOPIA1NxjVT4=",
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/lsp-types-1.5.0.0/lsp-types-1.5.0.0.tar.gz"
+        "url": "https://hackage.haskell.org/package/lsp-types-1.6.0.0/lsp-types-1.6.0.0.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://hackage.haskell.org/package/lsp-types-1.5.0.0/lsp-types-1.5.0.0.tar.gz"
+        "url": "https://hackage.haskell.org/package/lsp-types-1.6.0.0/lsp-types-1.6.0.0.tar.gz"
       }
     },
     "myst-parser": {
@@ -325,7 +373,10 @@
     "root": {
       "inputs": {
         "aeson-1520": "aeson-1520",
+        "base-compat": "base-compat",
+        "base-compat-batteries": "base-compat-batteries",
         "brittany-01312": "brittany-01312",
+        "cereal": "cereal",
         "constraints-extras": "constraints-extras",
         "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
@@ -334,6 +385,7 @@
         "ghc-exactprint": "ghc-exactprint",
         "ghc-exactprint-150": "ghc-exactprint-150",
         "gitignore": "gitignore",
+        "hashable": "hashable",
         "hie-bios": "hie-bios",
         "hlint": "hlint",
         "hlint-34": "hlint-34",
diff --git a/flake.nix b/flake.nix
index 5d0ec5955d..bb2325a233 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,6 +20,22 @@
     };
 
     # List of hackage dependencies
+    base-compat = {
+      url = "https://hackage.haskell.org/package/base-compat-0.12.2/base-compat-0.12.2.tar.gz";
+      flake = false;
+    };
+    base-compat-batteries = {
+      url = "https://hackage.haskell.org/package/base-compat-batteries-0.12.2/base-compat-batteries-0.12.2.tar.gz";
+      flake = false;
+    };
+    cereal = {
+      url = "https://hackage.haskell.org/package/cereal-0.5.8.3/cereal-0.5.8.3.tar.gz";
+      flake = false;
+    };
+    hashable = {
+      url = "https://hackage.haskell.org/package/hashable-1.4.1.0/hashable-1.4.1.0.tar.gz";
+      flake = false;
+    };
     lsp = {
       url = "https://hackage.haskell.org/package/lsp-1.6.0.0/lsp-1.6.0.0.tar.gz";
       flake = false;
@@ -153,6 +169,10 @@
             with haskell.lib; {
               # Patches don't apply
               github = overrideCabal hsuper.github (drv: { patches = []; });
+              base-compat = hself.callCabal2nix "base-compat" inputs.base-compat {};
+              base-compat-batteries = hself.callCabal2nix "base-compat-batteries" inputs.base-compat-batteries {};
+              cereal = hself.callCabal2nix "cereal" inputs.cereal {};
+              hashable = hself.callCabal2nix "hashable" inputs.hashable {};
               # GHCIDE requires hie-bios ^>=0.9.1
               hie-bios = hself.callCabal2nix "hie-bios" inputs.hie-bios {};