diff --git a/geniusyield-dex-api/CHANGELOG.md b/geniusyield-dex-api/CHANGELOG.md
index 5d7cbc3..03df31c 100644
--- a/geniusyield-dex-api/CHANGELOG.md
+++ b/geniusyield-dex-api/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for geniusyield-dex-api
 
+## 0.3.1.0 -- 2024-06-06
+
+* Adds a fix to earlier `0.3.0.0`, to actually consider `poiRawDatum` as witness.
+
 ## 0.3.0.0 -- 2024-06-05
 
 * Updates to make use of latest Atlas commit, `1c20f2a65de8e087b495d1f3ad524d6e659167ad`.
diff --git a/geniusyield-dex-api/geniusyield-dex-api.cabal b/geniusyield-dex-api/geniusyield-dex-api.cabal
index ee20edd..fd457c1 100644
--- a/geniusyield-dex-api/geniusyield-dex-api.cabal
+++ b/geniusyield-dex-api/geniusyield-dex-api.cabal
@@ -4,7 +4,7 @@ name:            geniusyield-dex-api
 -- PVP summary:     +-+------- breaking API changes
 --                  | | +----- non-breaking API additions
 --                  | | | +--- code changes with no API change
-version:         0.3.0.0
+version:         0.3.1.0
 synopsis:        API code to interact with GeniusYield DEX.
 description:
   API code to interact with GeniusYield DEX. Learn more about GeniusYield by visiting https://www.geniusyield.co/.
diff --git a/geniusyield-dex-api/src/GeniusYield/Api/Dex/PartialOrder.hs b/geniusyield-dex-api/src/GeniusYield/Api/Dex/PartialOrder.hs
index 4ca0ae6..7b1dd70 100644
--- a/geniusyield-dex-api/src/GeniusYield/Api/Dex/PartialOrder.hs
+++ b/geniusyield-dex-api/src/GeniusYield/Api/Dex/PartialOrder.hs
@@ -302,7 +302,7 @@ partialOrderInfoToIn a pocVersion pors oi@PartialOrderInfo {..} oa =
           gyTxInWitness =
             GYTxInWitnessScript
               (GYInReference porValRef $ validatorToScript $ partialOrderValidator a pocVersion porRefNft)
-              (datumFromPlutusData $ partialOrderInfoToPartialOrderDatum oi)
+              poiRawDatum
               $ redeemerFromPlutusData oa
         }
 
diff --git a/geniusyield-server-lib/CHANGELOG.md b/geniusyield-server-lib/CHANGELOG.md
index b9200e7..444620e 100644
--- a/geniusyield-server-lib/CHANGELOG.md
+++ b/geniusyield-server-lib/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for geniusyield-server-lib
 
+## 0.5.1 -- 2024-06-06
+
+* Incorporates 0.3.1.0 of `geniusyield-dex-api`.
+
 ## 0.5.0 -- 2024-06-05
 
 * Makes use of latest `geniusyield-dex-api` version, namely, v0.3.0.0. It includes a fix where original UTxO's datum bytes are used to provide for witness.
diff --git a/geniusyield-server-lib/geniusyield-server-lib.cabal b/geniusyield-server-lib/geniusyield-server-lib.cabal
index af834ce..3fe8e0b 100644
--- a/geniusyield-server-lib/geniusyield-server-lib.cabal
+++ b/geniusyield-server-lib/geniusyield-server-lib.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.6
 name:            geniusyield-server-lib
-version:         0.5.0
+version:         0.5.1
 synopsis:        GeniusYield server library
 description:     Library for GeniusYield server.
 license:         Apache-2.0