diff --git a/build.gradle b/build.gradle
index ab8a795694..adf3201e12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,7 +42,7 @@ def aeronVersion = file('version.txt').text.trim()
 def aeronJavaVersion = JavaVersion.VERSION_1_8
 
 def agronaVersion = '1.0.6'
-def sbeVersion = '1.12.8'
+def sbeVersion = '1.13.0'
 def byteBuddyVersion = '1.9.10'
 def hdrHistogramVersion = '2.1.11'
 def mockitoVersion = '3.0.0'
diff --git a/version.txt b/version.txt
index f1b42b7b8d..e4264e9848 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.21.0-SNAPSHOT
\ No newline at end of file
+1.21.0
\ No newline at end of file