diff --git a/binder/postBuild b/binder/postBuild
index 71a1a13b7ec9c6859162bcf06c50fdcc48a2f007..39db994d6d41416ef122ecc6ee9fdf07994537f1 100755
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -5,7 +5,7 @@ set -o nounset
 set -o pipefail
 set -o verbose
 
-PROB2_JUPYTER_VERSION="1.2.1-SNAPSHOT"
+PROB2_JUPYTER_VERSION="1.3.0"
 JAR_NAME="prob2-jupyter-kernel-${PROB2_JUPYTER_VERSION}-all.jar"
 if [[ "${PROB2_JUPYTER_VERSION}" == *-SNAPSHOT ]]
 then