diff --git a/miso-ghc.nix b/miso-ghc.nix
index b71de450..1130a732 100644
--- a/miso-ghc.nix
+++ b/miso-ghc.nix
@@ -4,7 +4,7 @@
 }:
 mkDerivation {
   pname = "miso";
-  version = "0.20.1.0";
+  version = "0.21.0.0";
   src = ./.;
   isLibrary = true;
   isExecutable = true;
diff --git a/miso-ghcjs.nix b/miso-ghcjs.nix
index 6b6c79c6..7d0d5401 100644
--- a/miso-ghcjs.nix
+++ b/miso-ghcjs.nix
@@ -5,7 +5,7 @@
 }:
 mkDerivation {
   pname = "miso";
-  version = "0.20.1.0";
+  version = "0.21.0.0";
   src = ./.;
   isLibrary = true;
   isExecutable = true;
diff --git a/miso.cabal b/miso.cabal
index 955c90e6..44596787 100644
--- a/miso.cabal
+++ b/miso.cabal
@@ -1,5 +1,5 @@
 name:                miso
-version:             0.20.1.0
+version:             0.21.0.0
 category:            Web, Miso, Data Structures
 license:             BSD3
 license-file:        LICENSE