diff --git a/cardano-explorer-db/CHANGELOG.md b/cardano-explorer-db/CHANGELOG.md
index aae5ce0..bc2a53b 100644
--- a/cardano-explorer-db/CHANGELOG.md
+++ b/cardano-explorer-db/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for cardano-explorer-db
 
+## 1.2.2 -- January 2020
+
+* Update dependencies to latest versions.
+* Allow building with latest version of persistent library.
+
 ## 1.2.1 -- January 2020
 
 * Update dependencies to latest versions.
diff --git a/cardano-explorer-db/cardano-explorer-db.cabal b/cardano-explorer-db/cardano-explorer-db.cabal
index bc6f60a..fefc79c 100644
--- a/cardano-explorer-db/cardano-explorer-db.cabal
+++ b/cardano-explorer-db/cardano-explorer-db.cabal
@@ -3,7 +3,7 @@ cabal-version:          >= 1.10
 -- http://haskell.org/cabal/users-guide/
 
 name:                   cardano-explorer-db
-version:                1.2.1
+version:                1.2.2
 synopsis:               A block explorer for the Cardano chain
 description:            Code for the Cardano Block Explorer that is shared between the
                         cardano-explorer-db-node and the cardano-explorer web application.
diff --git a/cardano-explorer-node/CHANGELOG.md b/cardano-explorer-node/CHANGELOG.md
index 6e1c9f2..d426be6 100644
--- a/cardano-explorer-node/CHANGELOG.md
+++ b/cardano-explorer-node/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for cardano-explorer-node
 
+## 1.2.2 -- January 2020
+
+* Update dependencies to latest versions.
+
 ## 1.2.1 -- January 2020
 
 * Update dependencies to latest versions.
diff --git a/cardano-explorer-node/cardano-explorer-node.cabal b/cardano-explorer-node/cardano-explorer-node.cabal
index 6a14155..a902323 100644
--- a/cardano-explorer-node/cardano-explorer-node.cabal
+++ b/cardano-explorer-node/cardano-explorer-node.cabal
@@ -3,7 +3,7 @@ cabal-version:          >= 1.10
 -- http://haskell.org/cabal/users-guide/
 
 name:                   cardano-explorer-node
-version:                1.2.1
+version:                1.2.2
 synopsis:               The DB node for the Cardano Block Explorer
 description:            A Cardano node that follows the Cardano chain and inserts data from the
                         chain into a PostgresQL database.
diff --git a/cardano-explorer-webapi/CHANGELOG.md b/cardano-explorer-webapi/CHANGELOG.md
index 5f60013..afba40e 100644
--- a/cardano-explorer-webapi/CHANGELOG.md
+++ b/cardano-explorer-webapi/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Revision history for cardano-explorer-webapi
 
+## 1.2.2 -- January 2020
+
+* Swagger docs https://input-output-hk.github.io/cardano-explorer/
+* Fix /api/blocks/txs/{blkHash} endpoint (#195)
+* Fix Ada/Lovelace denomination bug (#197)
+* Fix JSON rendering for addresses to match old API
+* Add validation for genesis address paging (#219)
+* Add additional tests (#222, #227)
+* Update dependencies to latest versions.
+
 ## 1.2.1 -- January 2020
 
 * Update dependencies to latest versions.
diff --git a/cardano-explorer-webapi/cardano-explorer-webapi.cabal b/cardano-explorer-webapi/cardano-explorer-webapi.cabal
index 30ceee0..8c7cde4 100644
--- a/cardano-explorer-webapi/cardano-explorer-webapi.cabal
+++ b/cardano-explorer-webapi/cardano-explorer-webapi.cabal
@@ -3,7 +3,7 @@ cabal-version:          >= 1.10
 -- http://haskell.org/cabal/users-guide/
 
 name:                   cardano-explorer-webapi
-version:                1.2.1
+version:                1.2.2
 synopsis:               A Block Explorer for the Cardano network
 description:
 homepage:               https://github.com/input-output-hk/cardano-explorer
diff --git a/cardano-tx-submit/CHANGELOG.md b/cardano-tx-submit/CHANGELOG.md
index 13a92f5..ed95efe 100644
--- a/cardano-tx-submit/CHANGELOG.md
+++ b/cardano-tx-submit/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for cardano-tx-submit
 
+## 1.2.2 -- January 2020
+
+* Update dependencies to latest versions.
+* Service added to docker files.
+
 ## 1.2.1 -- January 2020
 
 * Update dependencies to latest versions.
diff --git a/cardano-tx-submit/cardano-tx-submit.cabal b/cardano-tx-submit/cardano-tx-submit.cabal
index 5f9d85b..cf7ea6a 100644
--- a/cardano-tx-submit/cardano-tx-submit.cabal
+++ b/cardano-tx-submit/cardano-tx-submit.cabal
@@ -3,7 +3,7 @@ cabal-version:          >= 1.10
 -- http://haskell.org/cabal/users-guide/
 
 name:                   cardano-tx-submit
-version:                1.2.1
+version:                1.2.2
 synopsis:               A web server that allows transactions to be POSTed to the cardano chain
 description:
 homepage:               https://github.com/input-output-hk/cardano-explorer
diff --git a/nix/.stack.nix/cardano-explorer-db.nix b/nix/.stack.nix/cardano-explorer-db.nix
index 28c282d..d19c2e0 100644
--- a/nix/.stack.nix/cardano-explorer-db.nix
+++ b/nix/.stack.nix/cardano-explorer-db.nix
@@ -42,7 +42,7 @@ in { system, compiler, flags, pkgs, hsPkgs, pkgconfPkgs, ... }:
     flags = {};
     package = {
       specVersion = "1.10";
-      identifier = { name = "cardano-explorer-db"; version = "1.2.1"; };
+      identifier = { name = "cardano-explorer-db"; version = "1.2.2"; };
       license = "Apache-2.0";
       copyright = "(c) 2019 IOHK";
       maintainer = "operations@iohk.io";
diff --git a/nix/.stack.nix/cardano-explorer-node.nix b/nix/.stack.nix/cardano-explorer-node.nix
index c029f13..361e29e 100644
--- a/nix/.stack.nix/cardano-explorer-node.nix
+++ b/nix/.stack.nix/cardano-explorer-node.nix
@@ -42,7 +42,7 @@ in { system, compiler, flags, pkgs, hsPkgs, pkgconfPkgs, ... }:
     flags = {};
     package = {
       specVersion = "1.10";
-      identifier = { name = "cardano-explorer-node"; version = "1.2.1"; };
+      identifier = { name = "cardano-explorer-node"; version = "1.2.2"; };
       license = "Apache-2.0";
       copyright = "(c) 2019 IOHK";
       maintainer = "operations@iohk.io";
diff --git a/nix/.stack.nix/cardano-explorer-webapi.nix b/nix/.stack.nix/cardano-explorer-webapi.nix
index cd294c1..c280a6e 100644
--- a/nix/.stack.nix/cardano-explorer-webapi.nix
+++ b/nix/.stack.nix/cardano-explorer-webapi.nix
@@ -42,7 +42,7 @@ in { system, compiler, flags, pkgs, hsPkgs, pkgconfPkgs, ... }:
     flags = {};
     package = {
       specVersion = "1.10";
-      identifier = { name = "cardano-explorer-webapi"; version = "1.2.1"; };
+      identifier = { name = "cardano-explorer-webapi"; version = "1.2.2"; };
       license = "Apache-2.0";
       copyright = "(c) 2019 IOHK";
       maintainer = "operations@iohk.io";
diff --git a/nix/.stack.nix/cardano-tx-submit.nix b/nix/.stack.nix/cardano-tx-submit.nix
index 00abd2b..bf4d849 100644
--- a/nix/.stack.nix/cardano-tx-submit.nix
+++ b/nix/.stack.nix/cardano-tx-submit.nix
@@ -42,7 +42,7 @@ in { system, compiler, flags, pkgs, hsPkgs, pkgconfPkgs, ... }:
     flags = {};
     package = {
       specVersion = "1.10";
-      identifier = { name = "cardano-tx-submit"; version = "1.2.1"; };
+      identifier = { name = "cardano-tx-submit"; version = "1.2.2"; };
       license = "Apache-2.0";
       copyright = "(c) 2019 IOHK";
       maintainer = "operations@iohk.io";