diff --git a/ouroboros-network-protocols/CHANGELOG.md b/ouroboros-network-protocols/CHANGELOG.md
index a28097afc62..d2b83b8cfde 100644
--- a/ouroboros-network-protocols/CHANGELOG.md
+++ b/ouroboros-network-protocols/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Breaking changes
 
+* Renamed `Test.Ouroboros.Network.Testing.Utils -> Test.Ouroboros.Network.Protocol.Utils`
 * Removed deprecated APIs:
   * `chainSyncClientNull`
   * `localStateQueryClientNull`
diff --git a/ouroboros-network-protocols/ouroboros-network-protocols.cabal b/ouroboros-network-protocols/ouroboros-network-protocols.cabal
index d36d2743ed6..a84f14edf8f 100644
--- a/ouroboros-network-protocols/ouroboros-network-protocols.cabal
+++ b/ouroboros-network-protocols/ouroboros-network-protocols.cabal
@@ -172,7 +172,7 @@ library testlib
     Test.ChainProducerState
     Test.Data.CDDL
     Test.Data.PipeliningDepth
-    Test.Ouroboros.Network.Testing.Utils
+    Test.Ouroboros.Network.Protocol.Utils
 
   build-depends:
     QuickCheck,
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/BlockFetch/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/BlockFetch/Test.hs
index 6d75c7daf38..b2bbc85d0bc 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/BlockFetch/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/BlockFetch/Test.hs
@@ -45,7 +45,7 @@ import Ouroboros.Network.Protocol.BlockFetch.Type
 import Test.Data.PipeliningDepth (PipeliningDepth (..))
 
 import Test.ChainGenerators (TestChainAndPoints (..))
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 
 import Test.QuickCheck
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/ChainSync/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/ChainSync/Test.hs
index f36b6b9d7ea..9d1af9b738e 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/ChainSync/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/ChainSync/Test.hs
@@ -53,7 +53,7 @@ import Test.Data.PipeliningDepth (PipeliningDepth (..))
 
 import Test.ChainGenerators ()
 import Test.ChainProducerState (ChainProducerStateForkTest (..))
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 
 import Test.QuickCheck hiding (Result)
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/Handshake/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/Handshake/Test.hs
index c119788a377..151bfa67e40 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/Handshake/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/Handshake/Test.hs
@@ -45,7 +45,7 @@ import Network.Mux.Types (MiniProtocolDir (..), MiniProtocolNum (..),
 import Network.TypedProtocol.Codec
 import Network.TypedProtocol.Proofs
 
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 
 import Ouroboros.Network.Channel
@@ -165,8 +165,7 @@ tests =
 -- wrongly encoded data (protocol version & associated version data mismatch)
 --
 
--- |
--- Testing version number
+-- | Testing version number
 --
 data VersionNumber
   = Version_0
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/KeepAlive/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/KeepAlive/Test.hs
index 481f4f603a4..55ee3cff6b0 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/KeepAlive/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/KeepAlive/Test.hs
@@ -34,7 +34,7 @@ import Ouroboros.Network.Protocol.KeepAlive.Examples
 import Ouroboros.Network.Protocol.KeepAlive.Server
 import Ouroboros.Network.Protocol.KeepAlive.Type
 
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_valid_cbor_encoding,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_valid_cbor_encoding,
            splits2, splits3)
 
 
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalStateQuery/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalStateQuery/Test.hs
index 4019fde3142..794476d74d6 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalStateQuery/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalStateQuery/Test.hs
@@ -51,7 +51,7 @@ import Ouroboros.Network.Protocol.LocalStateQuery.Server
 import Ouroboros.Network.Protocol.LocalStateQuery.Type
 
 import Test.ChainGenerators ()
-import Test.Ouroboros.Network.Testing.Utils
+import Test.Ouroboros.Network.Protocol.Utils
 
 import Test.QuickCheck as QC hiding (Result)
 import Test.Tasty (TestTree, testGroup)
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
index c81d8eebd3b..95ce2789cbe 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
@@ -36,7 +36,7 @@ import Ouroboros.Network.Protocol.LocalTxMonitor.Server
 import Ouroboros.Network.Protocol.LocalTxMonitor.Type
 
 import Test.ChainGenerators ()
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 import Test.QuickCheck hiding (Result)
 import Test.Tasty (TestTree, testGroup)
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxSubmission/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxSubmission/Test.hs
index 8228acbcd75..2a69c81ac06 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxSubmission/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxSubmission/Test.hs
@@ -44,7 +44,7 @@ import Ouroboros.Network.Protocol.LocalTxSubmission.Server
 import Ouroboros.Network.Protocol.LocalTxSubmission.Type
 
 import Test.Data.CDDL (Any (..))
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 
 import Control.DeepSeq
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/PeerSharing/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/PeerSharing/Test.hs
index 2f3533176ef..fef0ceca1af 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/PeerSharing/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/PeerSharing/Test.hs
@@ -36,7 +36,7 @@ import Ouroboros.Network.Protocol.PeerSharing.Examples
            (peerSharingClientCollect, peerSharingServerReplicate)
 import Ouroboros.Network.Protocol.PeerSharing.Server (peerSharingServerPeer)
 import Ouroboros.Network.Protocol.PeerSharing.Type
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 import Test.QuickCheck.Function (Fun, applyFun)
 import Test.Tasty (TestTree, testGroup)
diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/TxSubmission2/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/TxSubmission2/Test.hs
index 41532fb7eb6..90235db9811 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/TxSubmission2/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/TxSubmission2/Test.hs
@@ -51,7 +51,7 @@ import Ouroboros.Network.Protocol.TxSubmission2.Server
 import Ouroboros.Network.Protocol.TxSubmission2.Type
 
 import Test.Data.CDDL (Any (..))
-import Test.Ouroboros.Network.Testing.Utils (prop_codec_cborM,
+import Test.Ouroboros.Network.Protocol.Utils (prop_codec_cborM,
            prop_codec_valid_cbor_encoding, splits2, splits3)
 
 import Control.DeepSeq
diff --git a/ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Testing/Utils.hs b/ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Protocol/Utils.hs
similarity index 98%
rename from ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Testing/Utils.hs
rename to ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Protocol/Utils.hs
index 69500874e90..f57438f7f26 100644
--- a/ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Testing/Utils.hs
+++ b/ouroboros-network-protocols/testlib/Test/Ouroboros/Network/Protocol/Utils.hs
@@ -3,7 +3,7 @@
 {-# LANGUAGE NamedFieldPuns   #-}
 {-# LANGUAGE RankNTypes       #-}
 -- TODO rename to `Test.Ouroboros.Network.Protocols.Utils`
-module Test.Ouroboros.Network.Testing.Utils where
+module Test.Ouroboros.Network.Protocol.Utils where
 
 import Codec.CBOR.FlatTerm qualified as CBOR
 import Codec.CBOR.Read qualified as CBOR