diff --git a/cabal.project b/cabal.project
index 924774ea463..95dab7c8412 100644
--- a/cabal.project
+++ b/cabal.project
@@ -187,92 +187,92 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-network
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: io-sim
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-network-testing
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-consensus
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-consensus/ouroboros-consensus-mock
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-consensus-byron
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-consensus-cardano
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: typed-protocols
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: typed-protocols-examples
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: ouroboros-network-framework
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: network-mux
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: io-sim-classes
 
 source-repository-package
   type: git
   location: https://github.com/input-output-hk/ouroboros-network
-  tag: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
-  --sha256: 1fdm458a99lg0r3gxzzbv4fiahhcb3dgm8g6z1vklq3v3lfdrqh1
+  tag: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
+  --sha256: 00i0y1lxlmzh8r3bsnzkns8cmkc3g5jqkzfr2ic05ngimnam7nh6
   subdir: Win32-network
 
 source-repository-package
diff --git a/cardano-node/src/Cardano/Node/Run.hs b/cardano-node/src/Cardano/Node/Run.hs
index 933a9f0d285..737550027ba 100644
--- a/cardano-node/src/Cardano/Node/Run.hs
+++ b/cardano-node/src/Cardano/Node/Run.hs
@@ -229,7 +229,7 @@ handleSimpleNode p trace nodeTracers npm onKernel = do
   customiseChainDbArgs runValid args
     | runValid
     = args
-      { ChainDB.cdbImmValidation = ValidateAllEpochs
+      { ChainDB.cdbImmValidation = ValidateAllChunks
       , ChainDB.cdbVolValidation = ValidateAll
       }
     | otherwise
diff --git a/stack.yaml b/stack.yaml
index ab7fe6762dc..7f6e82ec723 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -121,7 +121,7 @@ extra-deps:
     #Ouroboros-network dependencies
 
   - git: https://github.com/input-output-hk/ouroboros-network
-    commit: 8a19e9cd6e6f8a02147cd96c4f633ac903d833b1
+    commit: d0f3b7d44ef4212f3e60bf3b07a03bc543962409
     subdirs:
         - io-sim
         - io-sim-classes