diff --git a/extensions/guacamole-auth-duo/pom.xml b/extensions/guacamole-auth-duo/pom.xml
index 22ca020ed..a0959e122 100644
--- a/extensions/guacamole-auth-duo/pom.xml
+++ b/extensions/guacamole-auth-duo/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-auth-duo</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-auth-duo</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
@@ -221,7 +221,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-ext</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/extensions/guacamole-auth-duo/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-duo/src/main/resources/guac-manifest.json
index 27658a827..0578070c4 100644
--- a/extensions/guacamole-auth-duo/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-duo/src/main/resources/guac-manifest.json
@@ -1,6 +1,6 @@
 {
 
-    "guacamoleVersion" : "0.9.10-incubating",
+    "guacamoleVersion" : "0.9.11-incubating",
 
     "name"      : "Duo TFA Authentication Backend",
     "namespace" : "duo",
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/pom.xml
index 4241781fc..f6b2da72b 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/pom.xml
@@ -36,7 +36,7 @@
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-auth-jdbc</artifactId>
-        <version>0.9.10-incubating</version>
+        <version>0.9.11-incubating</version>
         <relativePath>../../</relativePath>
     </parent>
 
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-dist/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-dist/pom.xml
index a356365f3..4847d10f2 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-dist/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-dist/pom.xml
@@ -36,7 +36,7 @@
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-auth-jdbc</artifactId>
-        <version>0.9.10-incubating</version>
+        <version>0.9.11-incubating</version>
         <relativePath>../../</relativePath>
     </parent>
 
@@ -99,14 +99,14 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-auth-jdbc-mysql</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
         </dependency>
 
         <!-- PostgreSQL Authentication Extension -->
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-auth-jdbc-postgresql</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
         </dependency>
 
     </dependencies>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
index 00c2577ee..3061fa422 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
@@ -36,7 +36,7 @@
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-auth-jdbc</artifactId>
-        <version>0.9.10-incubating</version>
+        <version>0.9.11-incubating</version>
         <relativePath>../../</relativePath>
     </parent>
 
@@ -120,7 +120,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-auth-jdbc-base</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
         </dependency>
 
     </dependencies>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/guac-manifest.json
index c4589b3b9..9e75dae10 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/resources/guac-manifest.json
@@ -1,6 +1,6 @@
 {
 
-    "guacamoleVersion" : "0.9.10-incubating",
+    "guacamoleVersion" : "0.9.11-incubating",
 
     "name"      : "MySQL Authentication",
     "namespace" : "guac-mysql",
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
index 69e201474..d7f492dff 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
@@ -36,7 +36,7 @@
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-auth-jdbc</artifactId>
-        <version>0.9.10-incubating</version>
+        <version>0.9.11-incubating</version>
         <relativePath>../../</relativePath>
     </parent>
 
@@ -120,7 +120,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-auth-jdbc-base</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
         </dependency>
 
     </dependencies>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/guac-manifest.json
index a064a5685..4a4a70ada 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/resources/guac-manifest.json
@@ -1,6 +1,6 @@
 {
 
-    "guacamoleVersion" : "0.9.10-incubating",
+    "guacamoleVersion" : "0.9.11-incubating",
 
     "name"      : "PostgreSQL Authentication",
     "namespace" : "guac-postgresql",
diff --git a/extensions/guacamole-auth-jdbc/pom.xml b/extensions/guacamole-auth-jdbc/pom.xml
index d81f1313e..316c107ee 100644
--- a/extensions/guacamole-auth-jdbc/pom.xml
+++ b/extensions/guacamole-auth-jdbc/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-auth-jdbc</artifactId>
     <packaging>pom</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-auth-jdbc</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
@@ -80,7 +80,7 @@
             <dependency>
                 <groupId>org.apache.guacamole</groupId>
                 <artifactId>guacamole-ext</artifactId>
-                <version>0.9.10-incubating</version>
+                <version>0.9.11-incubating</version>
                 <scope>provided</scope>
             </dependency>
 
diff --git a/extensions/guacamole-auth-ldap/pom.xml b/extensions/guacamole-auth-ldap/pom.xml
index 78f7768b6..47137ae06 100644
--- a/extensions/guacamole-auth-ldap/pom.xml
+++ b/extensions/guacamole-auth-ldap/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-auth-ldap</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-auth-ldap</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
@@ -138,7 +138,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-ext</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/extensions/guacamole-auth-ldap/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-ldap/src/main/resources/guac-manifest.json
index 4ef6c1eb5..fb79872ca 100644
--- a/extensions/guacamole-auth-ldap/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-ldap/src/main/resources/guac-manifest.json
@@ -1,6 +1,6 @@
 {
 
-    "guacamoleVersion" : "0.9.10-incubating",
+    "guacamoleVersion" : "0.9.11-incubating",
 
     "name"      : "LDAP Authentication",
     "namespace" : "guac-ldap",
diff --git a/extensions/guacamole-auth-noauth/pom.xml b/extensions/guacamole-auth-noauth/pom.xml
index 4147eee84..71ae08b58 100644
--- a/extensions/guacamole-auth-noauth/pom.xml
+++ b/extensions/guacamole-auth-noauth/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-auth-noauth</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-auth-noauth</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
@@ -138,7 +138,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-ext</artifactId>
-            <version>0.9.10-incubating</version>
+            <version>0.9.11-incubating</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/extensions/guacamole-auth-noauth/src/main/resources/guac-manifest.json b/extensions/guacamole-auth-noauth/src/main/resources/guac-manifest.json
index f336ac322..6869e3f70 100644
--- a/extensions/guacamole-auth-noauth/src/main/resources/guac-manifest.json
+++ b/extensions/guacamole-auth-noauth/src/main/resources/guac-manifest.json
@@ -1,6 +1,6 @@
 {
 
-    "guacamoleVersion" : "0.9.10-incubating",
+    "guacamoleVersion" : "0.9.11-incubating",
 
     "name"      : "Disabled Authentication",
     "namespace" : "guac-noauth",
diff --git a/guacamole-ext/pom.xml b/guacamole-ext/pom.xml
index b689a557b..909f90f2e 100644
--- a/guacamole-ext/pom.xml
+++ b/guacamole-ext/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-ext</artifactId>
     <packaging>jar</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-ext</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
diff --git a/guacamole/pom.xml b/guacamole/pom.xml
index ae8cea721..21945be2f 100644
--- a/guacamole/pom.xml
+++ b/guacamole/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole</artifactId>
     <packaging>war</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole</name>
     <url>http://guacamole.incubator.apache.org/</url>
 
diff --git a/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java b/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
index 21f01c7d2..d0e646348 100644
--- a/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
+++ b/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
@@ -61,7 +61,7 @@ public class ExtensionModule extends ServletModule {
     private static final List<String> ALLOWED_GUACAMOLE_VERSIONS =
         Collections.unmodifiableList(Arrays.asList(
             "*",
-            "0.9.10-incubating"
+            "0.9.11-incubating"
         ));
 
     /**
diff --git a/pom.xml b/pom.xml
index adad1754b..8548f48cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-client</artifactId>
     <packaging>pom</packaging>
-    <version>0.9.10-incubating</version>
+    <version>0.9.11-incubating</version>
     <name>guacamole-client</name>
     <url>http://guacamole.incubator.apache.org/</url>