diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# Version [0.14.0.0](https://github.com/blockfrost/blockfrost-haskell/compare/api-0.13.0.0...api-0.14.0.0) (2025-12-02)
+
+* Changes
+  * Add `CustomURL` to `Env`, to allow arbitrary Blockfrost instance [#79](https://github.com/blockfrost/blockfrost-haskell/pull/79)
+  * `BlockfrostNotFound` constructor of `BlockfrostError` is now `BlockfrostNotFound Text`
+    containing path that resulted in 404 error [#80](https://github.com/blockfrost/blockfrost-haskell/pull/80)
+  * Drop `Sanchonet` `Env` [#79](https://github.com/blockfrost/blockfrost-haskell/pull/79)
+
 # Version [0.13.0.0](https://github.com/blockfrost/blockfrost-haskell/compare/api-0.12.2.0...api-0.13.0.0) (2025-06-03)
 
 * Additions
diff --git a/blockfrost-api.cabal b/blockfrost-api.cabal
--- a/blockfrost-api.cabal
+++ b/blockfrost-api.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                blockfrost-api
-version:             0.13.0.0
+version:             0.14.0.0
 synopsis:            API definitions for blockfrost.io
 description:         Core types and Servant API description
 homepage:            https://github.com/blockfrost/blockfrost-haskell
diff --git a/src/Blockfrost/Env.hs b/src/Blockfrost/Env.hs
--- a/src/Blockfrost/Env.hs
+++ b/src/Blockfrost/Env.hs
@@ -20,8 +20,8 @@
   | Testnet
   | Preprod
   | Preview
-  | Sanchonet
   | Localhost
+  | CustomURL String -- ^ Full URL to custom Blockfrost instance
   deriving (Eq, Read, Show, Ord, Generic)
 
 -- | Try parsing @Env@ from @Text@
@@ -31,4 +31,4 @@
   Nothing ->
     Left
       $ "Unknown environment: `" <> tEnv <> "`"
-      <> " expecting one of `ipfs`, `mainnet`, `testnet`, `preprod`, `preview`, `sanchonet`, `localhost`"
+      <> " expecting one of `ipfs`, `mainnet`, `testnet`, `preprod`, `preview`, `localhost`"