diff --git a/Makefile b/Makefile
index 5b991a2..c4215ee 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 APPNAME = "phone-number"
-VERSION = "8.12.28-1"
+VERSION = "8.12.52-0"
 
 .PHONY: 		watch default docs deploy test test-clj sig jar pom clean tag
 
diff --git a/NEWS.md b/NEWS.md
index c2f69ed..1542823 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,18 @@
 # History of phone-number releases
 
+## 8.12.52-0
+
+- Improvements:
+
+  * Improved building and documentation generating code.
+  * Separated nREPL from REPL (development mode).
+  * Syntactical cleanups.
+  * Libphonenumber dependency updated to match version 8.12.52.
+  * Geocoder dependency updated to match version 2.188.
+  * Prefixmapper dependency updated to match version 2.188.
+  * Carrier dependency updated to match version 1.178.
+  * Development dependencies updated to match their newest versions.
+
 ## 8.12.28-0, 8.12.28-1 (2021-07-21)
 
 - Improvements:
diff --git a/README.md b/README.md
index 81c2d4c..5ede083 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # Validation and inspection of phone numbers
 
 [![Phone-number on Clojars](https://img.shields.io/clojars/v/io.randomseed/phone-number.svg)](https://clojars.org/io.randomseed/phone-number)
+[![Phone-number on cljdoc](https://cljdoc.org/badge/io.randomseed/phone-number)](https://cljdoc.org/d/io.randomseed/phone-number/CURRENT)
+[![CircleCI](https://circleci.com/gh/randomseed-io/phone-number.svg?style=svg)](https://circleci.com/gh/randomseed-io/phone-number)
 
 Clojure library which uses Google's Libphonenumber to validate, inspect and generate phone numbers.
 
@@ -216,22 +218,22 @@ To use phone-number in your project, add the following to dependencies section o
 `project.clj` or `build.boot`:
 
 ```clojure
-[io.randomseed/phone-number "8.12.28-1"]
+[io.randomseed/phone-number "8.12.52-0"]
 ```
 
 For `deps.edn` add the following as an element of a map under `:deps` or
 `:extra-deps` key:
 
 ```clojure
-io.randomseed/phone-number {:mvn/version "8.12.28-1"}
+io.randomseed/phone-number {:mvn/version "8.12.52-0"}
 ```
 
 Additionally, if you want to utilize specs and generators provided by the
 phone-number you can use (in your development profile):
 
 ```clojure
-org.clojure/spec.alpha {:mvn/version "0.2.176"}
-org.clojure/test.check {:mvn/version "0.10.0-alpha4"}
+org.clojure/spec.alpha {:mvn/version "0.2.194"}
+org.clojure/test.check {:mvn/version "1.1.1"}
 ```
 
 You can also download JAR from [Clojars](https://clojars.org/io.randomseed/phone-number).
diff --git a/phone-number.jar.asc b/phone-number.jar.asc
index fbaf728..eeb9a1c 100644
--- a/phone-number.jar.asc
+++ b/phone-number.jar.asc
@@ -1,17 +1,17 @@
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diff --git a/pom.xml b/pom.xml
index b77f8d8..12ee758 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>io.randomseed</groupId>
   <artifactId>phone-number</artifactId>
   <packaging>jar</packaging>
-  <version>8.12.28-1</version>
+  <version>8.12.52-0</version>
   <name>phone-number</name>
   <description>Creation, validation and inspection of phone numbers</description>
   <url>https://randomseed.io/software/phone-number/</url>
@@ -17,24 +17,24 @@
   <scm>
     <connection>scm:git:git://github.com/randomseed-io/phone-number.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/randomseed-io/phone-number.git</developerConnection>
-    <tag>8.12.28-1</tag>
+    <tag>8.12.52-0</tag>
     <url>https://github.com/randomseed-io/phone-number/</url>
   </scm>
   <dependencies>
     <dependency>
       <groupId>org.clojure</groupId>
       <artifactId>clojure</artifactId>
-      <version>1.10.2</version>
+      <version>1.11.1</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>geocoder</artifactId>
-      <version>2.164</version>
+      <version>2.188</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>carrier</artifactId>
-      <version>1.154</version>
+      <version>1.178</version>
     </dependency>
     <dependency>
       <groupId>malabarba</groupId>
@@ -44,12 +44,12 @@
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>libphonenumber</artifactId>
-      <version>8.12.28</version>
+      <version>8.12.52</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>prefixmapper</artifactId>
-      <version>2.164</version>
+      <version>2.188</version>
     </dependency>
     <dependency>
       <groupId>trptr</groupId>
diff --git a/pom.xml.asc b/pom.xml.asc
index 739a372..e01687f 100644
--- a/pom.xml.asc
+++ b/pom.xml.asc
@@ -1,17 +1,17 @@
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