diff --git a/README.md b/README.md
index 1882cb98..15b319a7 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Apso's latest release is built against Scala 2.12 and Scala 2.13.
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso" % "0.21.0"
 ```
 
 The project is divided in modules, you can instead install only a specific module.
@@ -19,7 +19,7 @@ The project is divided in modules, you can instead install only a specific modul
 The TestKit is available under the `apso-testkit` project. You can include it only for the `test` configuration:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-testkit" % "0.20.0" % "test"
+libraryDependencies += "com.kevel" %% "apso-testkit" % "0.21.0" % "test"
 ```
 
 Please take into account that the library is still in an experimental stage and the interfaces might change for subsequent releases.
@@ -69,7 +69,7 @@ Please take into account that the library is still in an experimental stage and
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-core" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-core" % "0.21.0"
 ```
 
 ### Config
@@ -285,7 +285,7 @@ The same features are provided for Pekko under the `pekko-http` module.
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-akka-http" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-akka-http" % "0.21.0"
 ```
 
 ### ClientIPDirectives
@@ -307,7 +307,7 @@ Apso provides a group of classes to ease the interaction with the Amazon Web Ser
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-aws" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-aws" % "0.21.0"
 ```
 
 ### ConfigCredentialsProvider
@@ -354,7 +354,7 @@ The `apso-caching` module provides provides utilities for caching.
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-caching" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-caching" % "0.21.0"
 ```
 
 Apso provides utilities to simplify the caching of method calls, with [ScalaCache](https://cb372.github.io/scalacache/) and using either `Guava` or `Caffeine` as underlying cache implementations.
@@ -408,7 +408,7 @@ y
 The `apso-collections` module provides some helpful collections. To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-collections" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-collections" % "0.21.0"
 ```
 
 ### Trie
@@ -609,7 +609,7 @@ creation of the underlying Cyphers.
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-encryption" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-encryption" % "0.21.0"
 ```
 
 The following shows the creation of `Encryptor` and `Decryptor` objects,
@@ -634,7 +634,7 @@ decryptor.get.decryptToString(encryptor.get.encryptToSafeString(secretData).get)
 Apso provides utilities for various hashing functions. To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-hashing" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-hashing" % "0.21.0"
 ```
 
 ```scala
@@ -654,7 +654,7 @@ Apso provides methods to deal with IO-related features in the `io` module.
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-io" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-io" % "0.21.0"
 ```
 
 ### FileDescriptor
@@ -697,7 +697,7 @@ ResourceUtil.getResourceAsString("reference.conf")
 Apso includes a bunch of utilities to work with JSON serialization and deserialization, specifically with the [circe](https://circe.github.io/circe/) library. To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-circe" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-circe" % "0.21.0"
 ```
 
 ### ExtraJsonProtocol
@@ -809,7 +809,7 @@ The `profiling` module of apso provides utilities to help with profiling the run
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-profiling" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-profiling" % "0.21.0"
 ```
 
 ### CpuSampler
@@ -827,7 +827,7 @@ The `apso-time` module provides utilities to work with `DateTime` and `LocalDate
 To use it in an existing SBT project, add the following dependency to your `build.sbt`:
 
 ```scala
-libraryDependencies += "com.kevel" %% "apso-time" % "0.20.0"
+libraryDependencies += "com.kevel" %% "apso-time" % "0.21.0"
 ```
 
 See the following sample usages:
diff --git a/build.sbt b/build.sbt
index 26646088..36db2336 100644
--- a/build.sbt
+++ b/build.sbt
@@ -85,7 +85,7 @@ lazy val docs = (project in file("apso-docs"))
     mdocOut := (ThisBuild / baseDirectory).value,
 
     mdocVariables := Map(
-      "VERSION" -> "0.20.0" // This version should be set to the currently released version.
+      "VERSION" -> "0.21.0" // This version should be set to the currently released version.
     ),
 
     publish / skip := true