diff --git a/doc/changes/changelog.md b/doc/changes/changelog.md
index 40f3ad08..fefd0699 100644
--- a/doc/changes/changelog.md
+++ b/doc/changes/changelog.md
@@ -1,5 +1,6 @@
 # Releases
 
+* [2.1.1](changes_2.1.1.md)
 * [2.1.0](changes_2.1.0.md)
 * [2.0.0](changes_2.0.0.md)
 * [1.3.1](changes_1.3.1.md)
diff --git a/doc/changes/changes_2.1.1.md b/doc/changes/changes_2.1.1.md
new file mode 100644
index 00000000..b56fa198
--- /dev/null
+++ b/doc/changes/changes_2.1.1.md
@@ -0,0 +1,24 @@
+# Cloud Storage Extension 2.1.1, released 2021-12-??
+
+Code name:
+
+## Summary
+
+## Bug Fixes
+
+* #178: Updated log4j dependency to 2.17.0 version
+
+## Dependency Updates
+
+### Compile Dependency Updates
+
+* Updated `org.apache.logging.log4j:log4j-api:2.16.0` to `2.17.0`
+* Updated `org.apache.logging.log4j:log4j-1.2-api:2.16.0` to `2.17.0`
+* Updated `com.fasterxml.jackson.core:jackson-databind:2.13.0` to `2.13.1`
+* Updated `com.fasterxml.jackson.module:jackson-module-scala_2.13:2.13.0` to `2.13.1`
+
+### Test Dependency Updates
+
+* Updated `org.mockito:mockito-core:4.1.0` to `4.2.0`
+
+### Plugin Updates
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 039e387e..acd1dac7 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -19,7 +19,7 @@ object Dependencies {
   // Test dependencies versions
   private val ScalaTestVersion = "3.2.10"
   private val ScalaTestPlusVersion = "1.0.0-M2"
-  private val MockitoCoreVersion = "4.1.0"
+  private val MockitoCoreVersion = "4.2.0"
   private val HamcrestVersion = "2.2"
   private val ExasolHamcrestMatcherVersion = "1.5.1"
   private val ExasolTestDBBuilderVersion = "3.2.1"
@@ -34,8 +34,8 @@ object Dependencies {
   lazy val StorageDependencies: Seq[ModuleID] = Seq(
     "org.apache.commons" % "commons-lang3" % "3.12.0",
     "com.google.guava" % "guava" % "31.0.1-jre",
-    "com.fasterxml.jackson.core" % "jackson-databind" % "2.13.0",
-    "com.fasterxml.jackson.module" %% "jackson-module-scala" % "2.13.0",
+    "com.fasterxml.jackson.core" % "jackson-databind" % "2.13.1",
+    "com.fasterxml.jackson.module" %% "jackson-module-scala" % "2.13.1",
     "io.grpc" % "grpc-netty" % "1.43.0",
     "io.netty" % "netty-all" % "4.1.72.Final",
     "com.exasol" %% "import-export-udf-common-scala" % ImportExportUDFVersion
@@ -147,8 +147,8 @@ object Dependencies {
     "org.slf4j" % "jul-to-slf4j" % "1.7.32",
     "org.slf4j" % "slf4j-log4j12" % "1.7.32"
       exclude ("log4j", "log4j"),
-    "org.apache.logging.log4j" % "log4j-api" % "2.16.0",
-    "org.apache.logging.log4j" % "log4j-1.2-api" % "2.16.0",
+    "org.apache.logging.log4j" % "log4j-api" % "2.17.0",
+    "org.apache.logging.log4j" % "log4j-1.2-api" % "2.17.0",
     "com.typesafe.scala-logging" %% "scala-logging" % "3.9.4"
   )