diff --git a/src/CubeServer-api/cubeserver_api/_version.py b/src/CubeServer-api/cubeserver_api/_version.py
index 31e744e..dc79f8f 100644
--- a/src/CubeServer-api/cubeserver_api/_version.py
+++ b/src/CubeServer-api/cubeserver_api/_version.py
@@ -1 +1 @@
-__version__ = "1.6.3"
+__version__ = "1.6.4"
diff --git a/src/CubeServer-app/cubeserver_app/_version.py b/src/CubeServer-app/cubeserver_app/_version.py
index 31e744e..dc79f8f 100644
--- a/src/CubeServer-app/cubeserver_app/_version.py
+++ b/src/CubeServer-app/cubeserver_app/_version.py
@@ -1 +1 @@
-__version__ = "1.6.3"
+__version__ = "1.6.4"
diff --git a/src/CubeServer-beaconserver/cubeserver_beaconserver/_version.py b/src/CubeServer-beaconserver/cubeserver_beaconserver/_version.py
index 31e744e..dc79f8f 100644
--- a/src/CubeServer-beaconserver/cubeserver_beaconserver/_version.py
+++ b/src/CubeServer-beaconserver/cubeserver_beaconserver/_version.py
@@ -1 +1 @@
-__version__ = "1.6.3"
+__version__ = "1.6.4"
diff --git a/src/CubeServer-common/cubeserver_common/_version.py b/src/CubeServer-common/cubeserver_common/_version.py
index 31e744e..dc79f8f 100644
--- a/src/CubeServer-common/cubeserver_common/_version.py
+++ b/src/CubeServer-common/cubeserver_common/_version.py
@@ -1 +1 @@
-__version__ = "1.6.3"
+__version__ = "1.6.4"
diff --git a/version.txt b/version.txt
index 266146b..9edc58b 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.6.3
+1.6.4