Upgrade to karaf 4.3.6
diff --git a/pom.xml b/pom.xml
index 6db0e88..a330400 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,6 +105,8 @@
         <jdk.version>11</jdk.version>
         <compiler.fork>false</compiler.fork>
 
+        <karaf4-version>4.3.6</karaf4-version>
+
         <!-- Camel target version -->
         <camel-version>3.15.0-SNAPSHOT</camel-version>
 
@@ -218,7 +220,6 @@
         <junit-bundle-version>4.11_1</junit-bundle-version>
         <jzlib-bundle-version>1.1.3_2</jzlib-bundle-version>
         <kafka-bundle-version>2.8.1_1</kafka-bundle-version>
-        <karaf4-version>4.3.4</karaf4-version>
         <kxml2-bundle-version>2.3.0_3</kxml2-bundle-version>
         <kubernetes-client-jackson-version>2.13.0</kubernetes-client-jackson-version>
         <libphonenumber-bundle-version>8.12.40_1</libphonenumber-bundle-version>