diff --git a/cabal.project b/cabal.project
index ad619ecdba..91f47c8fd0 100644
--- a/cabal.project
+++ b/cabal.project
@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- update either of these.
 index-state:
   -- Bump this if you need newer packages from Hackage
-  , hackage.haskell.org 2025-04-06T22:39:33Z
+  , hackage.haskell.org 2025-04-08T00:42:12Z
   -- Bump this if you need newer packages from CHaP
   , cardano-haskell-packages 2025-04-07T00:07:03Z
 
diff --git a/flake.lock b/flake.lock
index 90d1cf2a5c..c14eae75e0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -237,11 +237,11 @@
     "hackageNix": {
       "flake": false,
       "locked": {
-        "lastModified": 1743985540,
-        "narHash": "sha256-9VTLME+mdk8wiYkfoQfpEyePj7mb+ipqfxnm1JoenDI=",
+        "lastModified": 1744071877,
+        "narHash": "sha256-FSe02a5aLc6auchFxxObih6eE2/fpue/1U9WviZw2LA=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "befc40ac7dcacf4494929c4fad56ab9075f8b1b0",
+        "rev": "e484ace6463cc4b0e1ae94fdb26b2a0873b2a180",
         "type": "github"
       },
       "original": {
diff --git a/ouroboros-consensus-cardano/ouroboros-consensus-cardano.cabal b/ouroboros-consensus-cardano/ouroboros-consensus-cardano.cabal
index 5969f072bf..81a5c2ee08 100644
--- a/ouroboros-consensus-cardano/ouroboros-consensus-cardano.cabal
+++ b/ouroboros-consensus-cardano/ouroboros-consensus-cardano.cabal
@@ -572,7 +572,7 @@ library unstable-cardano-tools
     sop-extras,
     strict-sop-core,
     text,
-    text-builder >=0.6.10,
+    text-builder >=1,
     transformers,
     transformers-except,