diff --git a/Cargo.lock b/Cargo.lock
index 14c87e95..11d683d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -774,7 +774,7 @@ dependencies = [
  "rand 0.7.3",
  "safe-transmute",
  "serum-common",
- "serum_dex 0.5.5",
+ "serum_dex 0.5.6",
  "slog-scope",
  "slog-stdlog",
  "sloggers",
@@ -3078,7 +3078,7 @@ version = "0.5.1"
 dependencies = [
  "anchor-lang",
  "anchor-spl",
- "serum_dex 0.5.5",
+ "serum_dex 0.5.6",
  "spl-token 3.2.0",
 ]
 
@@ -3159,7 +3159,7 @@ dependencies = [
 
 [[package]]
 name = "serum_dex"
-version = "0.5.5"
+version = "0.5.6"
 dependencies = [
  "arrayref",
  "bincode",
diff --git a/dex/Cargo.toml b/dex/Cargo.toml
index d997626b..818d772f 100644
--- a/dex/Cargo.toml
+++ b/dex/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "serum_dex"
-version = "0.5.5"
+version = "0.5.6"
 description = "Serum DEX"
 repository = "https://github.com/project-serum/serum-dex"
 edition = "2018"