diff --git a/VERSION b/VERSION
index eac1e0ada6d89d9aae6e38b1d168a63d65310dba..f01291b87fd57485703e1abae333e341d0af57b8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.6
+1.5.7
diff --git a/params/version.go b/params/version.go
index 0aa0a3eb3bd9774d61152765bc47d3c13fb217e6..6eb920a21e0f688e93a0f737717c76de3a582082 100644
--- a/params/version.go
+++ b/params/version.go
@@ -19,10 +19,10 @@ package params
 import "fmt"
 
 const (
-	VersionMajor = 1        // Major version component of the current release
-	VersionMinor = 5        // Minor version component of the current release
-	VersionPatch = 6        // Patch version component of the current release
-	VersionMeta  = "stable" // Version metadata to append to the version string
+	VersionMajor = 1          // Major version component of the current release
+	VersionMinor = 5          // Minor version component of the current release
+	VersionPatch = 7          // Patch version component of the current release
+	VersionMeta  = "unstable" // Version metadata to append to the version string
 )
 
 // Version holds the textual version string.