diff --git a/cnf/pom.xml b/cnf/pom.xml
index c291092b10..7bbd44ecf1 100644
--- a/cnf/pom.xml
+++ b/cnf/pom.xml
@@ -231,7 +231,7 @@
 			<!-- Changelog: https://github.com/apache/felix-dev/commits/master/http -->
 			<groupId>org.apache.felix</groupId>
 			<artifactId>org.apache.felix.http.jetty</artifactId>
-			<version>5.1.26</version>
+			<version>5.1.28</version>
 		</dependency>
 		<dependency>
 			<!-- Apache Felix Servlet API -->
diff --git a/io.openems.backend.application/BackendApp.bndrun b/io.openems.backend.application/BackendApp.bndrun
index 02d537d712..5eeddea1e0 100644
--- a/io.openems.backend.application/BackendApp.bndrun
+++ b/io.openems.backend.application/BackendApp.bndrun
@@ -109,7 +109,7 @@
 	org.apache.felix.configadmin;version='[1.9.26,1.9.27)',\
 	org.apache.felix.eventadmin;version='[1.6.4,1.6.5)',\
 	org.apache.felix.fileinstall;version='[3.7.4,3.7.5)',\
-	org.apache.felix.http.jetty;version='[5.1.26,5.1.27)',\
+	org.apache.felix.http.jetty;version='[5.1.28,5.1.29)',\
 	org.apache.felix.http.servlet-api;version='[3.0.0,3.0.1)',\
 	org.apache.felix.inventory;version='[2.0.0,2.0.1)',\
 	org.apache.felix.metatype;version='[1.2.4,1.2.5)',\
diff --git a/io.openems.edge.application/EdgeApp.bndrun b/io.openems.edge.application/EdgeApp.bndrun
index 4401cd9dba..545735eb98 100644
--- a/io.openems.edge.application/EdgeApp.bndrun
+++ b/io.openems.edge.application/EdgeApp.bndrun
@@ -416,7 +416,7 @@
 	org.apache.felix.configadmin;version='[1.9.26,1.9.27)',\
 	org.apache.felix.eventadmin;version='[1.6.4,1.6.5)',\
 	org.apache.felix.fileinstall;version='[3.7.4,3.7.5)',\
-	org.apache.felix.http.jetty;version='[5.1.26,5.1.27)',\
+	org.apache.felix.http.jetty;version='[5.1.28,5.1.29)',\
 	org.apache.felix.http.servlet-api;version='[3.0.0,3.0.1)',\
 	org.apache.felix.inventory;version='[2.0.0,2.0.1)',\
 	org.apache.felix.metatype;version='[1.2.4,1.2.5)',\