diff --git a/deployment/helm/pom.xml b/deployment/helm/pom.xml
index d8fc598c3d..3f187b7187 100644
--- a/deployment/helm/pom.xml
+++ b/deployment/helm/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>helm</artifactId>
diff --git a/encoders/pom.xml b/encoders/pom.xml
index 241bceb75d..747ea49592 100644
--- a/encoders/pom.xml
+++ b/encoders/pom.xml
@@ -30,7 +30,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>encoders</artifactId>
   <packaging>jar</packaging>
diff --git a/fhir-server/pom.xml b/fhir-server/pom.xml
index c8662e1358..e8ed2aa8b0 100644
--- a/fhir-server/pom.xml
+++ b/fhir-server/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>fhir-server</artifactId>
   <packaging>jar</packaging>
diff --git a/fhirpath/pom.xml b/fhirpath/pom.xml
index 6a117ba188..99ca69de82 100644
--- a/fhirpath/pom.xml
+++ b/fhirpath/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>fhirpath</artifactId>
   <packaging>jar</packaging>
diff --git a/lib/R/pom.xml b/lib/R/pom.xml
index e0efd16a24..3d0e8454a4 100644
--- a/lib/R/pom.xml
+++ b/lib/R/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>r</artifactId>
diff --git a/lib/import/pom.xml b/lib/import/pom.xml
index 4404eac5fe..46dd7f4b2e 100644
--- a/lib/import/pom.xml
+++ b/lib/import/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>import</artifactId>
diff --git a/lib/js/pom.xml b/lib/js/pom.xml
index 2c42679fb3..91d41082a5 100644
--- a/lib/js/pom.xml
+++ b/lib/js/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>js</artifactId>
diff --git a/lib/python/Dockerfile b/lib/python/Dockerfile
index 1bd091aec9..d7093c7627 100644
--- a/lib/python/Dockerfile
+++ b/lib/python/Dockerfile
@@ -1,7 +1,7 @@
 FROM jupyter/all-spark-notebook
 
 USER root
-RUN echo "spark.jars.packages au.csiro.pathling:library-runtime:6.4.0" >> /usr/local/spark/conf/spark-defaults.conf
+RUN echo "spark.jars.packages au.csiro.pathling:library-runtime:6.4.1" >> /usr/local/spark/conf/spark-defaults.conf
 
 USER ${NB_UID}
 
diff --git a/lib/python/pom.xml b/lib/python/pom.xml
index 540d6efda6..8f204bbb0b 100644
--- a/lib/python/pom.xml
+++ b/lib/python/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>python</artifactId>
diff --git a/library-api/pom.xml b/library-api/pom.xml
index 8ce908e355..86b2d434d2 100644
--- a/library-api/pom.xml
+++ b/library-api/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>pathling</artifactId>
     <groupId>au.csiro.pathling</groupId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>library-api</artifactId>
   <packaging>jar</packaging>
diff --git a/library-runtime/pom.xml b/library-runtime/pom.xml
index 759b472ab1..b58500f52e 100644
--- a/library-runtime/pom.xml
+++ b/library-runtime/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>pathling</artifactId>
     <groupId>au.csiro.pathling</groupId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>library-runtime</artifactId>
   <packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index ef3bad064d..b83504d68e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>au.csiro.pathling</groupId>
   <artifactId>pathling</artifactId>
-  <version>6.4.0</version>
+  <version>6.4.1</version>
   <packaging>pom</packaging>
 
   <name>Pathling</name>
diff --git a/site/pom.xml b/site/pom.xml
index bc8e1054c2..c15cfadc0f 100644
--- a/site/pom.xml
+++ b/site/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <groupId>au.csiro.pathling</groupId>
     <artifactId>pathling</artifactId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
   <artifactId>site</artifactId>
diff --git a/terminology/pom.xml b/terminology/pom.xml
index eec62487c2..67192245e3 100644
--- a/terminology/pom.xml
+++ b/terminology/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <artifactId>pathling</artifactId>
     <groupId>au.csiro.pathling</groupId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>terminology</artifactId>
   <packaging>jar</packaging>
diff --git a/utilities/pom.xml b/utilities/pom.xml
index 10c05574e0..3e70e6be2e 100644
--- a/utilities/pom.xml
+++ b/utilities/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <artifactId>pathling</artifactId>
     <groupId>au.csiro.pathling</groupId>
-    <version>6.4.0</version>
+    <version>6.4.1</version>
   </parent>
   <artifactId>utilities</artifactId>
   <packaging>jar</packaging>