diff --git a/Makefile b/Makefile
index 37c916a..a622b2d 100644
--- a/Makefile
+++ b/Makefile
@@ -100,4 +100,4 @@ build: requires_nix_shell
 
 ci:
 	@ [[ "$$(uname -sm)" == "Linux x86_64" ]] || (echo "NOTE: CI only builds on Linux x86_64. Your system is $$(uname -sm), continuing...")
-	nix build .#check.$(shell nix eval -f '<nixpkgs>' system)
+	nix build .#checks.$(shell nix eval -f '<nixpkgs>' system).required
diff --git a/agora-specs/Sample/Shared.hs b/agora-specs/Sample/Shared.hs
index cb9dc8d..4bf4c94 100644
--- a/agora-specs/Sample/Shared.hs
+++ b/agora-specs/Sample/Shared.hs
@@ -78,7 +78,7 @@ import Data.Tagged (Tagged (..))
 import Data.Text (Text)
 import Optics (view)
 import Plutarch (Config (..), Script, TracingMode (DetTracing))
-import Plutarch.Api.V1 (scriptHash)
+import Plutarch.Api.V2 (scriptHash)
 import Plutarch.Extra.AssetClass (AssetClass (AssetClass))
 import Plutarch.Extra.ScriptContext (scriptHashToTokenName)
 import PlutusLedgerApi.V1.Address (scriptHashAddress)
diff --git a/agora/Agora/Linker.hs b/agora/Agora/Linker.hs
index 8791d8d..4b22af4 100644
--- a/agora/Agora/Linker.hs
+++ b/agora/Agora/Linker.hs
@@ -7,10 +7,10 @@ import Agora.SafeMoney (AuthorityTokenTag, GTTag, GovernorSTTag, ProposalSTTag,
 import Data.Aeson qualified as Aeson
 import Data.Map (fromList)
 import Data.Tagged (Tagged (Tagged))
-import Plutarch.Api.V1 (scriptHash)
+import Plutarch.Api.V2 (scriptHash)
 import Plutarch.Extra.AssetClass (AssetClass (AssetClass))
 import Plutarch.Extra.ScriptContext (scriptHashToTokenName)
-import PlutusLedgerApi.V1 (CurrencySymbol (CurrencySymbol), ScriptHash, TxOutRef, getScriptHash)
+import PlutusLedgerApi.V2 (CurrencySymbol (CurrencySymbol), ScriptHash, TxOutRef, getScriptHash)
 import Ply (
   ScriptRole (MintingPolicyRole, ValidatorRole),
   (#),