diff --git a/src/firely-net-sdk-tests.props b/src/firely-net-sdk-tests.props
index a09e318..c5599ee 100644
--- a/src/firely-net-sdk-tests.props
+++ b/src/firely-net-sdk-tests.props
@@ -4,7 +4,7 @@
 	</PropertyGroup>
 	
 	<PropertyGroup>
-		<FirelySdkVersion>5.9.0</FirelySdkVersion>
+		<FirelySdkVersion>5.9.1</FirelySdkVersion>
 	</PropertyGroup>
 
 	<PropertyGroup>
diff --git a/src/firely-net-sdk.props b/src/firely-net-sdk.props
index 4e9b5dc..9c9c7f3 100644
--- a/src/firely-net-sdk.props
+++ b/src/firely-net-sdk.props
@@ -23,7 +23,7 @@
 	</PropertyGroup>
 
 	<PropertyGroup>
-		<FirelySdkVersion>5.9.0</FirelySdkVersion>
+		<FirelySdkVersion>5.9.1</FirelySdkVersion>
 	</PropertyGroup>
 
 	<PropertyGroup>